I think this is more a case of this particular department having a critical mass of evil employees; rather than they being afraid of suspect confrontation.
Prisoners Sue Virginia Department of Corrections Over Canine Attacks The sickening details reflect a bigger problem: If a police dog is hurt "in the line of duty," the person hurting the dog is charged with felony "assault on an officer." But if a police dog mauls someone, it is generally treated as the victim's fault—even when it clearly isn't. _____________ The police should control their animals like they are responsible for use of their weapons.