badge cam lessons, john, law enforcement, police, officer, mike, deadly, threat, use of, force, citrus heights, california, usa, pointing a gun, at the police, at cars, gunpoint, body cam, cellphone camera, dog, multiple shots fired, pistol, gun, handgun, armed, justified, suicide by cop, gun on ground, blueprints, lights, crisis commands, picks up gun, reaches for it, fatal, ended the threat, perp down