Analysis of information sources in references of the Wikipedia article "Police dog" in English language version.
German Shepherd Dog. The typical breed associated with law enforcement work.
a figurative use of a word that dates back to late 14c. meaning a kind of bloodhound
K-9 or K9 (a homophone of canine)
They are expected to follow both verbal and hand commands of their handler.
They are expected to follow both verbal and hand commands of their handler.