Is there a case of killing a police dog?

Yes, there have been cases where police dogs have been killed, often during the course of their duties or in violent confrontations. Such incidents can lead to criminal charges against the individual responsible, as police dogs are considered working animals and are often valued highly by law enforcement agencies. The killing of a police dog can also result in legal penalties, including fines and imprisonment, reflecting the seriousness with which such acts are viewed in many jurisdictions.