Because they excel at that role.
There are many,one of them are police and another is fire truck.Police use german shepards, and fire units use dalmations.
They are generally referred to as K-9 units or K-9 police dogs.
Since the early 1900's when Captain Von S gave them over to the Army/Police free of charge...
German Shepards are mostly police dogs it determines how aggressive they are and how trained they are
in 1899
German shepards have had a reputation for being vicios since the 50s,60s,70s,80, and 90s and now, why do you think the police use for attacking people and the army use them for guarding, and in America German shepards are responsible for more bittings than eny other breed and in England 300 dogs die each year cause of German Shepard attacks personily i cant stick German shepards and the people that mostly own them are wankers , if you are thinking of getting a dangerous dog get a rottie a dob or eny mastiff breed but don't get a German Shepard they can turn at eny time
German Shepards are very dark brown, black, and sometimes with a tiny bit of a light shaded brown.
German Shepards.
GSD'S are kind about it. Rotts use it to their advantage.
German Shepards
German Shepards
With positive reinforcement and kindness.