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99-744: FWPD is responsible for traffic and general law enforcement within the city limits of Fort Worth. Specialty divisions include investigation, K-9 , bicycle patrol, and SWAT . The Fort Worth Police Department started on April 12, 1873 when E.M. Terrell was appointed City Marshal with a force of four officers. However, the force was disbanded a month later for economic reasons. The force was re-established in 1876 to cope with unruly cowboys and high levels of prostitution, with Jim Courtright being instated as City Marshal with two assisting deputies. Courtright's reputation as an Army scout and gunfighter led to an unprecedented term of nonviolence in Fort Worth. By 1887,

198-542: A K-9 , is a dog that is trained to assist police and other law enforcement officers . Their duties may include searching for drugs and explosives , locating missing people , finding crime scene evidence, protecting officers and other people, and attacking suspects who flee from officers. The breeds most commonly used by law enforcement are the German Shepherd , Belgian Malinois , Bloodhound , Dutch Shepherd , and Labrador Retriever . In recent years,

297-444: A metal detector . The Glock pistol has a relatively low slide profile, which holds the barrel axis close to the shooter's hand and makes the pistol more comfortable to fire by reducing muzzle rise and allows for faster aim recovery in rapid firing sequences. The rectangular slide is milled from a single block of ordnance-grade steel using CNC machinery. The barrel and slide undergo two hardening processes prior to treatment with

396-419: A 17-round capacity (which can be extended to 19 with an optional floor plate) or optional 24 or 33-round high-capacity magazines . For jurisdictions which restrict magazine capacity to 10 rounds, Glock offers single-stack, 10-round magazines. The magazines are made of steel and are overmolded with plastic. A steel spring drives a plastic follower. After the last cartridge has been fired, the slide remains open on

495-406: A K-9 Unit, with a specific handler, and must remember several verbal cues and hand gestures. Initial training for a police dog typically takes between eight months and a year, depending on where and how they are trained, and for what purpose. Police dogs often regularly take training programs with their assigned handler to reinforce their training. In many countries, intentionally injuring or killing

594-459: A barrel featuring a revised style of polygonal rifling (called the "Glock Marksman Barrel" by Glock), a deeper recessed barrel crown, omission of the finger grooves on the grip, a flared magazine well, and a reintroduction of a half-moon-shaped cutout on the bottom front of the grip. The locking block pin located above the trigger pin that was introduced in the third generation is omitted. Many internal parts were less conspicuously revised. "Gen 5"

693-489: A bright red frame, and Simunition-adapted practice pistols ("T"   models) a bright blue frame for easy identification. In 2009, the Glock   22   RTF2 (Rough Textured Frame 2) (chambered in .40 S&W ) was introduced. This pistol featured a new checkering texture around the grip and new scalloped (fish gill-shaped) serrations at the rear of the sides of the slide. Many of the existing models became available in

792-505: A comparison microscope and an ABIS (Evofinder). Glock pistols lack a traditional on-off safety lever, which Glock markets as an advantage, especially to police departments, as the user is able to fire immediately without separately manipulating a safety. Instead, the pistols are designed with three independent safety mechanisms to prevent accidental discharge. The system, designated "Safe Action" by Glock, consists of an external integrated trigger safety and two automatic internal safeties:

891-530: A contract to Glock to provide new 9×19mm Parabellum chambered duty pistols. The solicitation specifications deviated from the specifications of Glock fourth-generation models. Features found in the M series pistols evolved into what become Glock's Fifth Generation or Gen5 pistols. In August 2016, the Indianapolis Metro Police Department (IMPD) started training with a batch of Glock 17M pistols. The most obvious difference with

990-495: A dog to be considered for a police department, it must first pass a basic obedience training course. They must be able to obey the commands of their handler without hesitation. This allows the officer to have complete control over how much force the dog should use against a suspect. Dogs trained in Europe are usually given commands in the country's native language. Dogs are initially trained with this language for basic behavior, so, it

1089-410: A firing pin safety and a drop safety. The external safety is a small inner lever contained in the trigger. Pressing the lever activates the trigger bar and sheet metal connector. The firing pin safety is a solid hardened steel pin that, in the secured state, blocks the firing pin channel (disabling the firing pin in its longitudinal axis). It is pushed upward to release the firing pin for firing only when

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1188-437: A height of 2 m (6 ft 7 in) onto a steel plate. After firing 15,000 rounds of standard ammunition, the pistol was to be inspected for wear. The pistol was to then be used to fire an overpressure test cartridge generating 5,000 bar (500 MPa; 73,000 psi). The normal maximum operating pressure (P max ) for the 9 mm NATO is 2,520 bar (252 MPa; 36,500 psi). Glock became aware of

1287-407: A lower impact 6.1 mm (0.24 in) sight, and two higher impact versions – 6.9 mm (0.27 in) and 7.3 mm (0.29 in). The Glock pistol accessories available from the factory include several devices for tactical illumination, such as a series of front rail-mounted "Glock tactical lights" featuring a white tactical light and an optional visible laser sight. An alternate version of

1386-770: A majority-Black city of 220,000 residents, averages more than double that of the next-ranked city, Indianapolis , and nearly one-third of the police dog bites are inflicted on teenage men, most of whom are Black. Medical researchers found that police dog attacks are "more like shark attacks than nips from a family pet" due to the aggressive training police dogs undergo. Many people bitten were not violent and were not suspected of crimes. Police officers are often shielded from liability, and federal civil rights laws don't typically cover bystanders who are bitten by mistake. Even when victims can bring cases, lawyers say they struggle because jurors tend to love police dogs. Glock Glock ( German: [ˈglɔk] ; stylized as GLOCK )

1485-668: A matte gray-colored, nonglare surface with a 64 Rockwell C hardness rating and a 99% resistance to salt water corrosion (which meets or exceeds stainless steel specifications), making the Glock particularly suitable for individuals carrying the pistol concealed as the highly chloride-resistant finish allows the pistol to better endure the effects of perspiration. Glock steel parts using the Tenifer treatment are more corrosion resistant than analogous gun parts having other finishes or treatments, including Teflon , bluing , hard chrome plating , or phosphates. During 2010, Glock switched from

1584-546: A modified extractor that serves as a loaded chamber indicator , and the locking block was enlarged, along with the addition of an extra cross pin to aid the distribution of bolt thrust forces exerted by the locking block. This cross pin is known as the locking block pin and is located above the trigger pin. The polymer frames of third-generation models can be black, flat dark earth, or olive drab . Besides that, non-firing dummy pistols ("P"   models) and non-firing dummy pistols with resetting triggers ("R"   models) have

1683-448: A modified rough-textured frame (RTF-4), front grip strap with finger grooves, interchangeable backstraps of different sizes, and an accessory rail. "Gen4" is rollmarked on the slide next to the model number to identify the fourth-generation pistols. The basic grip size of the fourth-generation Glock pistols is slightly smaller compared to the previous design. A punch is provided to remove the standard trigger housing pin and replace it with

1782-503: A notch cut on both sides of the magazine body. Earlier versions of the magazines will not lock into the Gen4 pistols if the user has moved the magazine release button to be operated by a left-handed user. Gen4 magazines will work in older models. Mechanically, fourth-generation Glock pistols are fitted with a dual recoil spring assembly to help reduce perceived recoil and increase service life expectancy. Earlier subcompact Glock models such as

1881-508: A police dog is a criminal offense. Dogs have been used in law enforcement since the Middle Ages . Wealth and money was then tithed in the villages for the upkeep of the parish constable 's bloodhounds that were used for hunting down outlaws . The first recorded use of police dogs were in the early 14th century in St. Malo , France , where dogs were used to guard docks and piers . By

1980-594: A police search to find them. It was in Continental Europe that dogs were first used on a large scale. Police in Paris began using dogs against roaming criminal gangs at night, but it was the police department in Ghent , Belgium that introduced the first organized police dog service program in 1899. These methods soon spread to Austria-Hungary and Germany ; in the latter the first scientific developments in

2079-435: A polygonal profile consisting of a series of six or eight interconnected noncircular segments (only the .45 ACP and .45 GAP have octagonal polygonal rifling). Each depressed segment within the interior of the barrel is the equivalent of a groove in a conventional barrel. Thus, the interior of the barrel consists of smooth arcs of steel rather than sharply defined slots. Instead of using a traditional broaching machine to cut

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2178-432: A proprietary nitriding process called Tenifer . The Tenifer treatment is applied in a 500 °C (932 °F) nitrate bath. The Tenifer finish is between 0.04 and 0.05 mm (0.0016 and 0.0020 in) in thickness, and is characterized by extreme resistance to wear and corrosion; it penetrates the metal, and treated parts have similar properties even below the surface to a certain depth. The Tenifer process produces

2277-520: A recoil spring exchange program in which the manufacturer voluntarily offers to exchange the recoil spring assemblies of its fourth-generation pistols (with the exception of the "subcompact" Glock 26 and Glock 27 models) sold before 22 July 2011 at no cost "to ensure our products perform up to GLOCK's stringent standards", according to the company. On 29 June 2016, the United States Federal Bureau of Investigation (FBI) awarded

2376-425: A traditional black-and-white color scheme. Older vehicles exhibit the word "Police" on the front quarter panel and the rear doors, with the words "Fort Worth" printed in black over an orange-tan longhorn head (the city's logo) on the front doors; newer vehicles place the word "Police" below the longhorn on the front door, and across the hood of the car in white. The Fort Worth Police Department's primary replacement to

2475-403: A white dot on the front post and a rectangular border on the rear notch. Some newer rear sights can be adjusted for windage (on certain models due to the windage sights not coming as factory default), as it has a degree of lateral movement in the dovetail it is mounted in. Three other factory rear sight configurations are available in addition to the standard 6.5 mm (0.26 in) height sight:

2574-529: Is a short recoil –operated, locked-breech semi-automatic pistol that uses a modified Browning cam-lock system adapted from the Hi-Power pistol. The firearm's locking mechanism uses a linkless, vertically tilting barrel with a rectangular breech that locks into the ejection port cut-out in the slide (the SIG Sauer system ). During the recoil stroke, the barrel moves rearward initially locked together with

2673-791: Is a brand of polymer - framed , short-recoil -operated, striker-fired , locked-breech semi-automatic pistols designed and produced by Austrian manufacturer Glock Ges.m.b.H . The firearm entered Austrian military and police service in 1982 after becoming the top performer in reliability and safety tests. Glock pistols have become the company's most profitable line of products, and have been supplied to national armed forces, security agencies, and police forces in at least 48 countries. Glocks are also popular firearms among civilians for recreational and competition shooting , home- and self-defense, both in concealed or open carry . The company's founder and head engineer, Gaston Glock (1929–2023), had no experience with firearms design or manufacture at

2772-400: Is a very lengthy process since it begins with the training of the canine handler. The canine handlers go through a long process of training to ensure that they will train the dog to the best of its ability. First, the canine handler has to complete the requisite police academy training and one to two years of patrol experience before becoming eligible to transfer to a specialty canine unit. This

2871-418: Is because the experience as an officer allows prospective canine officers to gain valuable experience in law enforcement. However, having dog knowledge and training outside of the police academy is considered to be an asset, this could be dog obedience, crowd control, communicating effectively with animals and being approachable and personable since having a dog will draw attention from surrounding citizens. For

2970-630: Is easier for the officer to learn new words/commands, rather than retraining the dog to new commands. This is contrary to the popular belief that police dogs are trained in a different language so that a suspect cannot command the dog against the officer. Dogs used in law enforcement are trained to either be "single purpose" or "dual purpose". Single-purpose dogs are used primarily for backup, personal protection, and tracking. Dual-purpose dogs, however, are more typical. Dual-purpose dogs do everything that single-purpose dogs do, and also detect either explosives or narcotics . Dogs can only be trained for one or

3069-689: Is over the Patrol Bureau. Patrol Bureau is further broken down into two Commands (North and South) Assistant Chief David Carbajal is over the Support Bureau. Support Bureau is further broken down into two Commands (Tactical and Investigative/Support) Assistant Chief Robert Alldredge is over the Finance/Personnel Bureau. The Fort Worth Police Department is divided into six Patrol Divisions: Central, North, South, East, Northwest and West, each encompassing various areas of

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3168-457: Is pinned to the trigger mechanism housing. Pistols after 2002 have a reshaped extractor that serves as a loaded chamber indicator. When a cartridge is present in the chamber, a tactile metal edge protrudes slightly out immediately behind the ejection port on the right side of the slide. The striker firing mechanism has a spring-loaded firing pin that is cocked in two stages that the firing pin spring powers. The factory-standard firing pin spring

3267-402: Is rated at 24  N (5.4  lb f ), but by using a modified firing pin spring, it can be increased to 28 N (6.3 lb f ) or to 31 N (7.0 lb f ). When the pistol is charged, the firing pin is in the half-cock position. As the trigger is pulled, the firing pin is then fully cocked. At the end of its travel, the trigger bar is tilted downward by the connector, releasing

3366-461: Is rated at 25  N (5.6  lb f ), but by using a modified connector, it can be increased to 35 N (7.9 lb f ) or lowered to 20 N (4.5 lb f ). In response to a request made by American law enforcement agencies for a two-stage trigger with increased trigger pull, Glock introduced the NY1 (New York) trigger module, which features a flat spring in a plastic housing that replaces

3465-481: Is retained in the frame by a steel axis pin that holds the trigger and slide catch. The trigger housing is held to the frame by means of a polymer pin. A spring-loaded sheet-metal pressing serves as the slide catch, which is secured from unintentional manipulation by a raised guard molded into the frame. Because of its polymer construction, there were initially fears that Glock pistols would be invisible to airport X-ray machines , making them easy to illegally import into

3564-483: Is rollmarked on the slide next to the model number to identify the fifth-generation pistols. The "Gen 5" slide can feature front serrations (FS) to provide an additional tactile traction surface choice. The magazines were also revised for the fifth-generation models: the redesigned magazine floor plates feature a frontward protruding lip to offer grip for manual assisted extraction and the magazine follower became orange colored for easier visual identification. The Glock 17

3663-590: Is selected by city officials. He was later selected to permanently fill the position. In 2022, Monica Martin, a native of East Fort Worth, was selected to serve as Commander of the East Division. This is history because Commander Martin is the first Black female police officer to secure an appointment within the executive staff of the Fort Worth Police Department. The department's uniforms and badges have changed multiple times before

3762-646: The Austrian Armed Forces announced that it would seek tenders for a new, modern duty pistol to replace their World War II –era Walther P38 handguns. The Federal Ministry of Defence of Austria formulated a list of 17 criteria for the new generation service pistol, including requirements that it would be self loading ; fire the NATO -standard 9×19mm Parabellum round; the magazines were not to require any means of assistance for loading; be secure against accidental discharge from shock, strike, and drop from

3861-553: The Austrian Army 's planned procurement, and in 1982, assembled a team of Europe's leading handgun experts from military, police, and civilian sport-shooting circles to define the most desirable characteristics in a combat pistol. Within three months, Glock had developed a working prototype that combined proven mechanisms and traits from previous pistol designs. In addition, the plan was to make extensive use of synthetic materials and modern manufacturing technologies, which led to

3960-926: The Browning Hi-Power , and the Austrian Steyr Mannlicher entered the competition with the GB ). The results of the Austrian trials sparked a wave of interest in Western Europe and overseas, particularly in the United States, where a similar effort to select a service-wide replacement for the M1911 had been going on since the late 1970s (known as the Joint Service Small Arms Program ). In late 1983,

4059-619: The Glock 17 or 22, in 9x19 Parabellum and .40 S&W, respectfully. This was done to reduce costs from the SIG Sauer P226 . Since the establishment of the Fort Worth Police Department, 58 officers have died in the line of duty. The causes of death are as follows: Fallen officers are recognized publicly at the Fort Worth Police and Firefighters' Memorial on 7th Street. Police dog A police dog , also known as

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4158-986: The North Eastern Railway Police were among the first to use police dogs in 1908 to put a stop to theft from the docks in Hull . By 1910, railway police forces were experimenting with other breeds such as Belgian Malinois, Labrador Retrievers , and German shepherds. Popular dog breeds used by law enforcement include the Airedale terrier , Akita , Groenendael , Tervueren , Malinois dog , Bernese Mountain Dog , Bloodhound , Border Collie , Boxer , Bouvier des Flandres , Briard , Cane Corso , Bullmastiff , Croatian Sheepdog , Doberman Pinscher , German Shepherd , German Shorthaired Pointer , Golden Retriever , Labrador Retriever , Rottweiler and English Springer Spaniel , Dogo Argentino . Training of police dogs

4257-681: The United States Department of Defense inquired about the Glock pistol and received four samples of the Glock   17 for unofficial evaluation. Glock was then invited to participate in the XM9 Personal Defense Pistol Trials, but declined because the DOD specifications would require extensive retooling of production equipment and providing 35 test samples in an unrealistic time frame. In 1985, after joint Norwegian and Swedish trials from 1983 to 1985,

4356-537: The serial killer Jack the Ripper had earned him much vilification from the press, including being denounced for not using bloodhounds to track the killer. He soon had two bloodhounds trained for the performance of a simple tracking test from the scene of another of the killer's crimes. The results were far from satisfactory, with one of the hounds biting the Commissioner and both dogs later running off, requiring

4455-452: The "fifth generation" or "Gen 5". The revisions centered on ergonomics and improving reliability. Many parts of fifth-generation Glock pistols cannot be interchanged with those of the previous generations. The two fifth-generation models announced were the Glock 17 and Glock 19, chambered for the 9×19mm Parabellum. Some conspicuous changes on the fifth-generation models are ambidextrous slide stop levers, DLC surface finish for barrel and slide,

4554-861: The Austrian Armaments and Defence Technology Agency, the Glock P80 was clearly superior to other handguns in terms of performance, handling, charging capacity and price. The handgun was adopted into service with the Austrian military and law enforcement in 1982 as the Pistole 80 (P80), with an initial order for 25,000 guns. The Glock   17 outperformed eight different pistols from five other established manufacturers ( Heckler & Koch of Germany offered their P7M8 , P7M13 , and P9S , SIG Sauer of Switzerland bid with their P220 and P226 models, Beretta of Italy submitted their model 92SB-F , FN Herstal of Belgium proposed an updated variant of

4653-467: The Belgian Malinois has become the leading choice for police and military work due to their intense drive, focus, agility, and smaller size, though German Shepherds remain the breed most associated with law enforcement. Police dogs are used on a federal and local level for law enforcement purposes in many parts of the world. They are often assigned to what in some nations is referred to as

4752-957: The Ford Crown Victoria was the Ford Police Interceptor sedan. The Ford Police Interceptor sedan was later replaced by the Interceptor Utility. A fleet transition is currently underway moving to the primary use of the Chevrolet Tahoe PPV SUV. Dodge Chargers were used alongside Tahoe’s for a short time, yet some fleet issues encouraged the current transition to the sole use of Chevrolet Tahoe PPV’s for everyday patrol use. The department's Traffic Division mainly utilizes police issue BMW motorcycles and Dodge Chargers to complete its freeway enforcement duties. Patrol Vehicles Trucks Aircraft Tactical In 2010, officers began using either

4851-409: The Glock   17 becoming a cost-effective candidate. Several samples of the Glock   17 (so named corresponding to its magazine capacity or because it was the 17th patent procured by the company) were submitted for assessment trials in early 1982, and after passing all of the exhaustive endurance and abuse tests, the Glock emerged as the winner. According to Friedrich Dechant, former head of

4950-615: The Glock   17 was accepted into service as the P80 in Norway, and in 1988 as the Pistol 88 in Sweden, where it surpassed all prior NATO durability standards. As a result, the Glock   17 became a standard NATO-classified sidearm and was granted a NATO Stock Number (1005-25-133-6775). By 1992, some 350,000   pistols had been sold in more than 45   countries, including 250,000 in

5049-488: The Glock 19 and Glock 23, the reduced size "compact" versions of the Glock 17 and Glock 22, became available for retail. In late 2010, Glock continued the introduction of fourth-generation models with the Glock 26 and Glock 27 "subcompact" variants. In January 2013, more fourth-generation Glock pistols were introduced commercially during the annual SHOT Show, including the Glock 20 Generation 4 along with other fourth-generation Glock models. In September 2011, Glock announced

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5148-558: The Glock 26 and Glock 30 have already used a dual recoil spring assembly that was carried over to the fourth-generation versions of those models. The slide and barrel shelf have been resized, and the front portion of the polymer frame has been widened and internally enlarged, to accommodate the dual recoil spring assembly. The trigger mechanism housing has also been modified to fit into the smaller-sized grip space. The introduction of fourth-generation Glock pistols continued in July 2010 when

5247-409: The Glock pistols involved the addition of checkering on the front strap and trigger guard and checkering and serrations to the back strap. These versions, introduced in 1988, were informally referred to as "second-generation" or Gen2 models, though Glock did not mark the pistols Gen2. In 1991, an integrated recoil spring assembly replaced the original two-piece recoil spring and tube design. The magazine

5346-489: The Glock third- and fourth-generation models on published images is the omission of finger grooves on the grip. In October of that year, the IMPD issued a 17M voluntary recall following failures encountered while dry firing the pistols during training. According to Major Riddle with the IMPD, "Glock is working to correct the problem and we hope to begin issuing the new [17Ms] as soon as December." In August 2017, Glock presented

5445-542: The ILS renders the Glock unfireable, as well as making it impossible to disassemble. When disengaged, the ILS adds no further safety mechanisms to the Glock pistol. The ILS is available as an option on most Glock pistols. Glock pistols cannot be retrofitted to accommodate the ILS. The lock must be factory-built in Austria and shipped as a special order. The Glock 17 feeds from staggered-column or double stack magazines that have

5544-482: The Internal Locking System (ILS) safety feature named Glock Safety Lock. The ILS is a manually activated lock located in the back of the pistol's grip. It is cylindrical in design and, according to Glock, each key is unique. When activated, the lock causes a tab to protrude from the rear of the grip, giving both a visual and tactile indication as to whether the lock is engaged or not. When activated,

5643-797: The R9GSP trials. The French Armed Forces (FAF) in 2020 began replacing their MAC Mle 1950 and, to a lesser extent, their PAMAS G1 pistols with Glock   17   Gen   5 models specifically made for the FAF. The French preferred the Glock   17   Gen   5 over the HS2000 and CZ P-10 offerings that also made it to the final selection phase. Glock has updated its basic design several times throughout its production history. The first-generation (Gen 1) Glock pistols are most notably recognized by their smoother "pebble finish" grip and finger groove-less frames. The Gen 1 frame pattern and design

5742-533: The RTF2   version, including the 17, 31, 32, 23, 21, and 19. Some of those did not have the fish gills. At the 2010 SHOT Show , Glock presented the "fourth generation", now dubbed "Gen4" by Glock itself. Updates centered on ergonomics and the recoil spring assembly. The initial two fourth-generation models announced were the full-sized Glock 17 and Glock 22, chambered for the 9×19mm Parabellum and .40 S&W cartridges, respectively. The pistols were displayed with

5841-689: The US were from the AF000   series in January 1986, followed by AH000, AK000, and AL000. These early Glock   (Gen 1) pistols (serial number prefix   AF through AM) were also manufactured with a barrel that had a smaller overall diameter and thinner bore walls, later known as "pencil barrels". These early Glock   17 "pencil barrel" pistols are considered rare and highly desirable by Glock collectors. The barrels were later redesigned with thicker bore walls, and manufacturing continued to evolve and improve

5940-726: The United States alone. Starting in 2013, the British Armed Forces began replacing the Browning Hi-Power pistol with the Glock   17   Gen   4, due to concerns about weight and the external safety of the Hi-Power. The British preferred the Glock   17   Gen   4 over the Beretta Px4 Storm , FN FNP , Heckler & Koch P30 , SIG Sauer P226 , Smith & Wesson M&P , and Steyr M 9A1 of which 19 pistols each, all chambered in 9×19   mm   Parabellum, were entered in

6039-560: The United States in 1985 failed to meet the BATF import "points" requirement, requiring Glock to quickly develop an adjustable rear sight which allowed for the pistols to be imported and sold commercially in 1986. It is believed that Glock designed and created this adjustable rear sight over a weekend in order to meet the ATF's importation requirements, and so it was dubbed the "weekend" sight. These first-generation adjustable rear sights extended past

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6138-565: The United States. In actuality, 84% of the gun's weight is from steel, and Polymer 2 is visible to X-ray machines. The myth's prevalence is believed to be connected to a scene that perpetuated the myth in Die Hard 2 , which released a few years after the Glock was invented. In 1988, the Undetectable Firearms Act was passed in the United States, banning the manufacture or import of any gun that could pass undetected through

6237-538: The addition of a white fourragère , cotton gloves, white duty belt and pouches, and a navy blue peaked cap . Officers often wear black felt (winter) or straw (summer) cowboy hats as part of the uniform (as do many other police agencies in Texas). Under the Chief of police Neil Noakes, the Fort Worth Police department is broken down into three bureaus (Patrol, Support, and Finance/Personnel) Assistant Chief Julie Swearingin

6336-527: The barrel, slide, frame, magazine, and recoil-spring assembly. The firearm is designed for the NATO-standard 9×19mm Parabellum cartridge, but can use high-power (increased pressure) +P ammunition with either full-metal-jacket or jacketed hollow-point projectiles. The hammer-forged barrel has a female type polygonal rifling with a right-hand twist. The stabilization of the round is not by conventional rifling , using lands and grooves, but rather through

6435-568: The city's 24th chief. In 2015, Joel Fitzgerald became the 1st African-American police chief of the city. Fitzgerald holds a Ph.D in Business Administration from Northcentral University ; an MBA from Eastern University ; and an undergraduate degree from Villanova University . He has since become the Waterloo Police Department Chief of Police. Interim Chief Ed Kraus was named until a replacement

6534-607: The city. Divisions are further divided into four Neighborhood Policing Districts each. The general areas of the city included in each Patrol Division are: Central Division - Commander Robert Stewart North Division - Commander Chad Mahaffey Northwest Division - Commander Jason Kim East Division - Commander Monica Martin West Division - Commander Buck Wheeler South Division - Commander Roy Hudson The Fort Worth Police Department uses primarily sedans as patrol vehicles. All marked patrol units are painted in

6633-491: The combustion gases trapped behind the bullet, slightly greater (consistency in) muzzle velocities, and increased accuracy and ease of maintenance. The newer lines of Glock pistols—i.e. Gen5, G42/43—are equipped with the Glock Marksmanship Barrel , or GMB. While older barrels were somewhat difficult to identify a bullet as coming from a particular barrel with high enough reliability for evidentiary use,

6732-651: The community, instituting programs such as "forums," a series of monthly department-citizen meetings, and the Citizens on Patrol program. In 2008, after the retirement of Chief Ralph Mendoza, Executive Deputy Patricia Kneblick was briefly appointed interim chief, making her the first woman ever to be appointed Chief of Police in Fort Worth. Jeffrey Halstead, a Commander with the Phoenix Police Department , replaced Kneblick in December 2008, making him

6831-399: The current design, which features a shield topped by a panther, was first worn in 1912. The current patch design, which features a star and longhorn head, was adopted in 1977. The current uniform consists of a navy blue shirt and pants with black tactical boots. The badge is worn on the left chest, and patches are worn on either shoulder. Ceremonial dress is similar to the duty uniform, with

6930-420: The design of Glock pistols. Many of the first-generation Glocks were shipped and sold in the iconic " Tupperware " style plastic boxes. The earliest Glock boxes had ammunition storage compartments that allowed for 17 rounds of 9mm to be stored with the pistol. This box design was later changed by Glock to meet BATF import requirements, and the ammunition storage compartments were removed. A mid-life upgrade to

7029-724: The dogs were also allowed to be adopted by their original handler. In many countries, police dogs killed in the line of duty receive the same honors as their human partners. A 2020 investigation coordinated by the Marshall Project found evidence of widespread deployment of police dogs in the U.S. as disproportionate force and disproportionately against people of color. A series of 13 linked reports found more than 150 cases from 2015 to 2020 of K-9 officers improperly using dogs as weapons to catch, bite, and injure people. The rate of police K-9 bites in Baton Rouge, Louisiana ,

7128-706: The existing law enforcement, the Bow Street Runners , struggled to contain the crime on their own, and as a result, private associations were formed to help combat crime. Night watchmen were employed to guard premises, and were provided with firearms and dogs to protect themselves from criminals. One of the first attempts to use dogs in policing was in 1889 by the Commissioner of the Metropolitan Police of London, Sir Charles Warren . Warren's repeated failures at identifying and apprehending

7227-542: The field took place with experiments in dog breeding and training. The German police selected the German Shepherd Dog as the ideal breed for police work and opened up the first dog training school in 1920 in Greenheide. In later years, many Belgian Malinois dogs were added to the unit. The dogs were systematically trained in obedience to their officers and tracking and attacking criminals. In Britain,

7326-433: The firing pin to fire the cartridge. The connector resets the trigger bar so that the firing pin will be captured in half-cock at the end of the firing cycle. This is known as a preset trigger mechanism, referred to as the "Safe action" trigger by the manufacturer. The connector ensures the pistol can only fire semiautomatically. The factory-standard, two-stage trigger has a trigger travel of 12.5 mm (0.49 in) and

7425-519: The first year of their life and retired before they become unable to perform, the working life of a dog is 6–9 years. However, when police dogs retire in some countries they may have the chance to receive a pension plan for their contribution to policing. In 2013, a pension scheme for police dogs in Nottinghamshire , England was introduced, wherein the police force offered £805 over the span of three years to cover any additional medical costs;

7524-469: The force had grown to six officers and a Chief of Police. The early 20th century saw many innovations to the FWPD, including motorcycles , traffic tickets, stoplights, and the city's first female officer. The mid-1900s saw even more technological advances, with the addition of a crime laboratory and radar speed detectors . Throughout the 1990s and early 2000s, the department sought to establish better links to

7623-551: The late 14th century, bloodhounds were used in Scotland , known as "Slough dogs" – the word "Sleuth", (meaning detective ) was derived from this. Between the 12th and 20th centuries, police dogs on the British Isles and European continent were primarily used for their tracking abilities. The rapid urbanization of England and France in the 19th century increased public concern regarding growing lawlessness. In London ,

7722-429: The longer cross pin needed to mount the medium or large backstrap that will increase the trigger distance by 2 mm (0.079 in) or 4 mm (0.16 in). With the medium backstrap installed, the grip size is identical to the third-generation pistols. The magazine release catches are enlarged and reversible for left-handed use. To use the exchangeable magazine release feature, fourth-generation Glock magazines have

7821-476: The newer GMB ones are designed differently. A study by Stephen Christen and Hans Rudolf Jordi, published by Forensic Science International in February 2019, shows that the new GMB barrels leave more identifiably unique markings on the fired projectile. These marks were more easily identified than previous pistol barrel markings, and were sufficient for reliably tying a bullet to a particular barrel. The study used

7920-733: The other because the dog cannot communicate to the officer if it found explosives or narcotics. When a narcotics dog in the United States indicates to the officer that it found something, the officer has probable cause to search whatever the dog alerted on (i.e. bag or vehicle) without a warrant, in most states. In suspect apprehension, having a loud barking dog is helpful and can result in suspects surrendering without delay. Police dogs can be specialized to perform in specific areas. Police dogs are retired if they become injured to an extent where they will not recover completely, pregnant or raising puppies , or are too old or sick to continue working. Since many dogs are raised in working environments for

8019-493: The pistol to be fired immediately after being submerged in water. They feature additional openings that allow liquids to flow and escape around them, offering enhanced reliability when water has penetrated into the firing pin assembly channel. Magazine floor plates (or +2 baseplates), which expand the capacity of the standard magazines by two rounds, are available for models chambered for the 9×19mm Parabellum, .45 GAP, .40 S&W, .357 SIG , and .380 ACP cartridges. In addition to

8118-420: The present standards. Early uniforms were all produced in various shades of blue, with garments ranging from coats with brass buttons to cloaks. Headwear was particularly diverse - depending on the uniform, officers in the early 1900s wore custodian helmets , ten-gallon cowboy hats , or slouched hats resembling those of Civil War cavalrymen. The department has worn five different badges throughout its history;

8217-452: The rifling into the bore, the hammer forging process involves beating a slowly rotating mandrel through the bore to obtain the hexagonal or octagonal shape. As a result, the barrel's thickness in the area of each groove is not compromised as with conventional square-cut barrels. This has the advantage of providing a better gas seal behind the projectile as the bore has a slightly smaller diameter, which translates into more efficient use of

8316-434: The salt bath nitriding Tenifer process to a not exactly disclosed gas nitriding process. After applying the nitriding process, a black Parkerized decorative surface finish is applied. The underlying nitriding treatment will remain, protecting these parts even if the decorative surface finish were to wear off. A fourth generation Glock 17 consists of 34 parts. For maintenance, the pistol disassembles into five main groups:

8415-552: The second stage to fire a shot. The Glock's frame, magazine body, and several other components are made from a high-strength nylon-based polymer invented by Gaston Glock, called Polymer 2. This plastic was specially formulated to provide increased durability and is more resilient than carbon steel and most steel alloys . Polymer 2 is resistant to shock, caustic liquids , and temperature extremes where traditional steel/alloy frames would warp and become brittle. The injection-molded frame contains four hardened steel guide rails for

8514-418: The slide about 3 mm (0.12 in) until the bullet leaves the barrel and chamber pressure drops to a safe level. A ramped lug extension at the base of the barrel then interacts with a tapered locking block integrated into the frame, forcing the barrel down and unlocking it from the slide. This camming action terminates the barrel's movement while the slide continues back under recoil, extracting and ejecting

8613-466: The slide and magazine release. For example, the subcompact Glock 26 will accept magazines from both the full-size Glock 17 and the compact Glock 19, but the Glock 17 will not accept magazines from the smaller Glock 19 or the Glock 26. The magazines for the Glock 36, the Glock 42, the Glock 43, and the Glock 44 are all unique; they cannot use magazines intended for another model, nor can their magazines be used in other models. The first Glock pistols sent to

8712-457: The slide and were susceptible to breaking. Even on later models, the front sight can easily become misshapen from friction against the holster, leading to replacements with metal sights, or tritium illuminated night sights. More commonly today, the Glock 17 has a fixed polymer combat-type sighting arrangement that consists of a ramped front sight and a notched rear sight with white contrast elements painted on for increased acquisition speed –

8811-520: The slide stop. The slide stop release lever is located on the left side of the frame directly beneath the slide and can be manipulated by the thumb of the right-handed shooter. Glock magazines are interchangeable between models of the same caliber, meaning that a compact or subcompact pistol will accept magazines designed for the larger pistols chambered for the same round. However, magazines designed for compact and subcompact models will not function in larger pistols because they are not tall enough to reach

8910-428: The slide: two at the rear of the frame, and the remaining pair above and in front of the trigger guard. The trigger guard itself is squared off at the front and checkered. The grip has an angle of 109° and a nonslip, stippled surface on the sides and both the front and rear straps. The frame houses the locking block, which is an investment casting that engages a 45° camming surface on the barrel's lower camming lug. It

9009-482: The spent cartridge casing. The slide's uninterrupted rearward movement and counter-recoil cycle are characteristic of the Browning system. Glock pistols incorporate a number of features intended to enhance reliability in adverse conditions, such as utilizing advanced metal coatings, "stub" slide guides instead of true frame rails, and an unusual cocking mechanism wherein the trigger is partially responsible for cocking

9108-518: The standard nonadjustable polymer sight line, three alternative sight lines are offered by Glock. These consist of steel, adjustable, and self-illuminating tritium night rear sights and factory steel and self-illuminating tritium contrast pointer steel front sights. The Glock 17 along with many variants can accept pistol conversion kits, with one such example being the FAB-Defense KPOS Scout. They can also accept special stocks like

9207-407: The striker. By relying partially on force from the shooter's trigger finger to cock the striker, a Glock effectively reduces the load on the recoil spring as the slide moves forward into battery, whereas almost all other striker-fired pistols on the market rely fully on the recoil spring to cock the striker. The slide features a spring-loaded claw extractor , and the stamped sheet metal ejector

9306-498: The tactical light using an invisible infrared light and laser sight is available, designed to be used with an infrared night vision device . Another lighting accessory is an adapter to mount a flashlight onto the bottom of a magazine. Polymer holsters in various configurations and matching magazine pouches are available. In addition, Glock produces optional triggers, recoil springs, slide stops, magazine release levers, and maritime spring cups. Maritime spring cups are designed to allow

9405-402: The time his first pistol, the Glock   17, was being prototyped . Glock had extensive experience in advanced synthetic polymers , which was instrumental in the company's design of the first commercially successful line of pistols with a polymer frame. Glock introduced ferritic nitrocarburizing into the firearms industry as an anticorrosion surface treatment for metal gun parts. In 1980,

9504-459: The trigger bar's standard coil spring. This trigger modification is available in two versions: NY1 and NY2 that are rated at 25 N (5.6 lb f ) to 40 N (9.0 lb f ) and 32 N (7.2 lb f ) to 50 N (11.2 lb f ), respectively, which require about 20 N (4.5 lb f ) to 30 N (6.7 lb f ) of force to disengage the safeties and another 10 N (2.2 lb f ) to 20 N (4.5 lb f ) in

9603-429: The trigger is actuated and the safety is pushed up through the backward movement of the trigger bar. The drop safety guides the trigger bar in a ramp that is released only when direct rearward pressure is applied to the trigger. The three safety mechanisms are automatically disengaged one after the other when the trigger is squeezed, and are automatically reactivated when the trigger is released. In 2003, Glock announced

9702-571: Was slightly modified, changing the floorplate and fitting the follower spring with a resistance insert at its base. In 1998, the frame was further modified with an accessory rail (called the "Universal Glock rail") similar to a Picatinny rail to allow the mounting of laser sights , tactical lights , and other accessories. Thumb rests on both sides of the frame and finger grooves on the front strap were added. Glock pistols with these upgrades are informally referred to as (early) "third-generation" models. Later third-generation models additionally featured

9801-438: Was used by Glock from 1982 through 1988 and pre-dates the checkered grip patterns used in the second generation of Glock pistols. The first Glock   17s imported to the US were serialized with an alphanumeric (two-letter prefix followed by three numbers) stamped into the slide, barrel, and a small metal plate inserted into the bottom side of the polymer frame. The first documented Glock   17s (by serial number) imported into

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