Police dog

Dog trained and used for law enforcement

A police dog, also known as a K-9 (phonemic abbreviation of "canine"), is a dog that is trained to assist police and other law enforcement officers. Their duties may include searching for drugs, 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.

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