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A police dog, known in some English-speaking countries as a "K-9" or "K9" (a homophone of "canine"), is a dog that is specifically trained to assist police and other law-enforcement personnel. Their duties include: searching for drugs and explosives, locating missing people, finding crime scene evidence, and attacking people targeted by the police. Police dogs must remember several verbal cues and hand gestures. The most commonly used breeds are the German Shepherd, Belgian Malinois, Bloodhound and Dutch Shepherd.
- 1 History
- 2 Training
- 3 Specialized police dogs
- 4 Popular breeds
- 5 Retirement
- 6 Usage by country
- 7 See also
- 8 References
- 9 External links
Dogs have been used in law enforcement since the Middle Ages. Money was then tithed in the villages for the upkeep of the parish constable's bloodhounds that were used for hunting down outlaws.[clarification needed] In France, dogs were used in the 14th century in St. Malo.[clarification needed] Bloodhounds used in Scotland were known as "Slough dogs" - the word "Sleuth", (meaning detective) was derived from this.
The rapid urbanization of London in the 19th century increased public concern regarding growing lawlessness - a problem that was far too great to be dealt with by the existing law enforcement of the time. 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 K9s 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 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 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 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. The dogs were systematically trained in obedience to their officers and tracking and attacking criminals.
In Britain, 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 Labrador Retrievers, Doberman Pinschers, and German Shepherds.
For a dog to be considered for a Police Department, they 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 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 commonly trained. Dual purpose dogs do everything that single purpose dogs do, and also detect either explosives or narcotics, however, they cannot be trained to detect both. Dogs can only be trained for one or 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 reasonable suspicion to search whatever the dog alerted on (i.e. bag or vehicle) without a warrant.
Specialized police dogs
- Sentry and attack K9s - This dog is used to locate and subdue suspects or enemies, and to provide security for sensitive or controlled areas.
- Search and rescue K9s (SAR) - This dog is used to locate suspects or find missing people or objects. Bloodhounds are often used for this task.
- Detection or explosive K9s - Some dogs are used to detect illicit substances such as drugs or explosives which may be carried on a person or in their effects.
- Arson K9s
Some breeds are used to enforce public order by chasing and detaining suspects either by direct apprehension or a method known as Bark and Hold. K9s such as the German Shepherd breed, have many qualities that make them applicable for the job. A successful K9 should be intelligent, aggressive, strong, and have a good sense of smell. Many police dogs that are chosen are male and remain unneutered to maintain their aggressive behavior, however there are female police dogs which are used for rescue, tracking, and locating bombs and drugs. German Shepherd dogs and Belgian Malinois are most commonly used because of their availability.
Notable police dog breeds are:
- Basset Hound (locating bombs and narcotics)
- Beagle (locating bombs, drugs. Used worldwide.)
- Belgian Malinois (protection, attack dog, locating IEDs, locating evidence, locating drugs, prisoner transport, human tracking.)
- Bloodhound (odor-specific ID, tracking, locating bombs, drugs, evidence.)
- Rottweiler (protection, attack dog)
- English Cocker Spaniel (firearms, bombs, money, drugs)
- Doberman Pinscher (protection, attack dog)
- Dutch Shepherd (protection, attack dog)
- Springer Spaniel (locating bombs, drugs)
- German Shepherd (protection, attack dog, ground-based tracking and air-based tracking, locating human remains, locating drugs, locating IEDs, locating evidence)
- German Shorthaired Pointer (ground-based tracking and air-based tracking, locating drugs, locating evidence)
- Labrador Retriever (protection, attack dog, locating bombs, drugs)
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 the first year of their life and retired before they become unable to perform, the working life of a K9 is 6–9 years.
If these K9s are killed in the line of duty they get the same honors as their human partners.
Usage by country
The Australian Federal Police and other law enforcement agencies are known to employ K9s for security priorities such as airport duties.
The Belgian Canine Support Group is part of the country's federal police. It has 35 dog teams. Some dogs are trained to detect drugs, human remains, hormones or fire accelerants. About a third are tracker dogs trained to find or identify living people. These teams are often deployed to earthquake areas to locate people trapped in collapsed buildings. The federal police's explosive detector dogs are attached to the Federal Police Special Units.
Many Canadian municipalities use dog squads as a means of tracking suspects. Most municipalities in Canada employ the bite and hold technique rather than the bark and hold technique meaning once the dog is deployed, it bites the suspect until the dog handler commands it to release. This often results in serious puncture wounds and is traumatic for suspects. A dog has the legal status of property in Canada. As such, developing case law is moving towards absolute liability for the handlers of animals deliberately released to intentionally maim suspects. The dog is effectively a weapon.
In 2010, an Alberta Court of Queen's Bench judge stayed criminal charges against Kirk Steele, a man who was near-fatally shot by a police officer while he stabbed the officer's police dog. The judge found that the shooting was cruel and unusual treatment and excessive force.
Police require reasonable suspicion they will recover evidence in order to use a dog to sniff a person or their possessions in public. This is because using a dog to detect scents is considered a search. The main exemption to that rule are the dogs of the Canada Border Services Agency who are allowed to make searches without warrants under s.98 of the Customs Act.
There are a total of 240 active police dogs in Denmark, each of which are ranked in one of three groups: Group-1, Group-2 and Group-3. Dogs in Group-1 are very experienced, and highly trained. Group-1 dogs are typically within the age range of four to eight years old and are used for patrolling, rescue, searching for biological evidence and major crime investigations. Group-2 dogs are employed for the same tasks as members of Group-1, but they do not participate in major crime investigations or searching for biological evidence. Group-3 is the beginner rank for police dogs, and are only employed for patrol operations. The Danish police have used law enforcement dogs since 1907, and only approve male German Shepherds.
The Police Dog Unit, (Abbreviation: PDU; Chinese: 警犬隊) established in 1949, is a specialist force of the Hong Kong Police under the direct command of the Special Operations Bureau. Their roles are crowd control, search and rescue, and poison and explosive detection. In addition, the Police Dog Unit works in collaboration with other departments for anti-crime operations.
The Dutch Mounted Police and Police Dog Service (DLHP) is part of the Korps landelijke politiediensten (KLPD; National Police Services Agency) and supports other units with horse patrols and specially trained dogs. The DLHP's dogs are trained to recognize a single specific scent. They specialize in identifying scents (identifying the scent shared by an object and a person), narcotics, explosives and firearms, detecting human remains, locating drowning people and fire accelerants.
The KLPD is just one of the 26 police regions in the Netherlands. Every other region has its own K-9 unit. For example, the K-9 unit of the regional police Amsterdam-Amstelland has 24 patroldog handlers and 6 specialdog handlers and 4 instructors. The unit has 24 patroldogs, 3 explosives/firearms dogs, 3 active narcotic dogs, 2 passive narcotic dogs,2 scent identifying dogs, 1 crime scene dog and 1 USAR dog. They work on a 24/7 basis, every shift (07:00-15:00/15:00-23:00/23:00-07:00 local time), has a minimum of 2 patroldog handlers on patrol. The special dog handlers work only in the dayshift or after a call.
In India, the National Security Guard inducted Malinois (Belgian Shepherd Dog) into its K-9 Unit, Border Security Force and Central Reserve Police Force use Rajapalayam as guard dogs to support the Force in the borders of Kashmir. Most of the Indian State Local Police use Labrador Retriever, German Shepherd and Doberman Pinscher in their Dog Squads. The Delhi Police has recruited many of the city's street dogs to be trained for security purposes.
One of the most common breeds used in Russia is the German Shepherd. This is mainly because these dogs are adapted to the climate of the country. Attack dogs have been used for a long time, off and on for foot patrolling. These dogs are kept on a leash at all times and are required to wear a muzzle unless the dog is needed to pursue and detain a suspect. These dogs must remain calm, docile, and unfazed by crowds or noise. Russian Police Dogs may react to any and all stimuli only if they are ordered to do so by their handler. They are a common sight in the public and are often unnerving to the public. German shepherds are also used for tasks such as seeking dangerous fugitives, tracking, and were ultimately chosen as the all-purpose police and army breed. This has remained common in most Soviet Union Successor States.
The Swedish law enforcement acquired its first two dogs in 1910, when two police officers brought Airedale Terrier Cora and shepherd Leo from Hamburg to assist in police investigations, but regular use of K9 did not take off until the 1950s. The Swedish Police Authority currently deploys around 400 police dogs, of which about 70 percent German Shepherds and 20 percent Malinois. The remaining 10 percent consist of a range of breeds, including Boxers, Labradors, and Springer Spaniel. There is however no requirement for the dogs to be purebred, as long as they meet mental and physical requirements set by the police. Dogs aged 18–48 months are eligible to take admission tests for the K9 training. The police dogs live with their operators, and after retirement at age 8-10 the operator often assumes the ownership of the dog.
Police forces across the country employ dogs and handlers and dog training schools are available to cater for the ever-increasing number of dogs being used.
There are over 2,500 police dogs employed amongst the various police forces in the UK, with the German Shepherd as the most popular breed for general purpose work. The Belgian Malinois is also gaining in popularity; in 2008, a Belgian Malinois female handled by PC Graham Clarke won the National Police Dog Trials with the highest score ever recorded.
All British police dogs, irrespective of the discipline they are trained in, must be licensed to work operationally. To obtain the license they have to pass a test at the completion of their training, and then again every year until they retire, which is usually at about the age of 8. The standards required to become operational are laid down by the Association of Chief Police Officers (ACPO) sub-committee on police dogs and are reviewed on a regular basis to ensure that training and licensing reflects the most appropriate methods and standards.
In 2011, a freedom of information request by British broadcaster BBC to all 48 police forces in the UK revealed that between 2008–2010 196 police staff and 155 innocent members of the public were bitten by police dogs. A similar investigation in 2014 revealed that between 2011–2013 police dogs were involved in at least 150 attacks on innocent members of the public including two 10-year-old children.
Police dogs are in widespread use across the United States. K-9 units are operated on the federal, state, county, and local level and are utilized for a wide variety of duties, similar to those of other nations. Their duties generally include drug, bomb, and weapon detection and cadaver searches. The most common police dogs used for everyday duties are German Shepherds, though other breeds may be used to perform specific tasks.
On the federal level, police dogs are rarely seen by the general public, though they may be viewed in some airports assisting Transportation Security Administration officials search for explosives and weapons or by Customs and Border Protection searching for concealed narcotics and people. Some dogs may also be used by tactical components of such agencies as the Bureau of Alcohol, Tobacco, Firearms, and Explosives, the Federal Bureau of Investigation, and the United States Marshals Service.
Most police agencies in the United States - whether state, county, or local – use K-9s as a means of law enforcement. Often, even the smallest of departments operates a K-9 team of at least one dog, while the officers of more metropolitan cities can be more used to working with dozens. In the former case, police dogs usually serve all purposes deemed necessary, most commonly suspect apprehension and narcotics detection, and teams are often on call; in the latter case, however, individual dogs usually serve individual purposes in which each particular animal is specialized, and teams usually serve scheduled shifts. In both cases, police dogs are almost always cared for by their specific handlers. K-9s are not often seen by the public, though specialized police vehicles used for carrying dogs may be seen from time to time.
It is a felony to assault or kill a federal law enforcement animal, and it is a crime in most states to assault or kill a police animal. Yet despite common belief, police dogs are not treated as police officers for the purpose of the law, and attacking a police dog is not punishable in the same manner as attacking a police officer. Though many police departments formally swear dogs in as police officers, this swearing-in is purely honorary, and carries no legal significance.
Police dogs also play a major role in American penal systems. Many jails and prisons will use special dog teams as a means of intervening in large-scale fights or riots by inmates. Also, many penal systems will employ dogs – usually bloodhounds – in searching for escaped prisoners.
At the federal level, police dogs play a vital role in homeland security. Federal law enforcement officials use the dogs to detect explosives or narcotics at major U.S. transportation hubs, such as airports. L. Paul Waggoner of the Canine Performance Sciences Program at Auburn University and an expert on police dogs told Homeland Preparedness News, "It is my perspective that detector dogs are a critical component of national security - and they also provide a very visible and proven deterrent to terrorist activities."
In October 2017, the U.S. House Oversight and Government Reform Intergovernmental Affairs Subcommittee held a hearing about whether there is a sufficient supply of dogs that can be trained as police dogs. Congressman Mike Rogers (R-AL) said that the continued ISIS-inspired attacks in the U.S. and all over the world "have driven demand through the roof" for police dogs. During testimony at the subcommittee hearing, a representative from the American Kennel Club said that between 80-90 percent of dogs purchased by the U.S. Department of Homeland Security and U.S. Department of Defense come from foreign vendors, mostly located in Europe.
U.S. Supreme Court cases
Some U.S. Supreme Court cases that pertain to police dogs are:
- United States v. Place: The court determined that the sniffing of personal items of a person in a public place by a dog for the purpose of finding contraband was not considered a "search" under the Fourth Amendment.
- City of Indianapolis v. Edmond: It is unconstitutional to set up a checkpoint to detect evidence of "ordinary criminal wrongdoing". This case was due to a checkpoint for drugs using Police dogs to sniff cars.
- United States v. Sharp: A canine sniff of the exterior of a vehicle is not a search under the Fourth Amendment, but if the canine enters the vehicle to sniff, it is a search. This case was ruled in favor of the officer because the dog jumped into the car, however, it was not encouraged by the officer therefore it was the dog's natural instinct to get closer to the scent.
- Detection dog
- Florida v. Harris – US Supreme Court case involving an officer's assertions on the training/reliability of his dog, and their sufficiency to establish probable cause
- Florida v. Jardines – US Supreme Court case to determine whether a dog sniff at the front door of a home requires probable cause and a search warrant
- Dogs in warfare
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Stray canines roaming the Indian capital may soon find themselves attending police training school with civic authorities planning to turn the animals into security dogs, reports said Saturday. New Delhi residents have long informally adopted some strays as watchdogs for their homes and shops and fed them, but this marks the first formal plan to turn them into municipal security dogs. City authorities said they would enlist police animal trainers to work with the strays and press the canines into service as guard dogs alongside a newly formed "May I Help You?" city security force which aims to assist the public and bolster safety. "If these dogs are going to roam the NDMC (New Delhi Municipal Corp) area, they might as well work," the civic body's chairman Jalaj Shrivastava told The Hindu newspaper. [...] A 2001 law forbids killing roaming dogs and the stray population has since soared, feeding off India's infamous mountains of street garbage as well as on kitchen scraps given to them by residents.
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