I think the 40% is what you should be worried about. The police are supposed to have a literal monopoly on violence. One should expect _some_ violent incidents.

I think the 40% is what you should be worried about. The police are supposed to have a literal monopoly on violence. One should expect _some_ violent incidents. Remember, this isn't an "unjustified" use-of-force database, it's for all use-of-force incidents. The purpose is to be able to compare different departments number of incidents to help identify possible problem areas through comparison. If 40% of police departments are "never" using force, they are obviously lying.