A fellow officer once got involved in an off duty shooting. When the officers (from a different agency) arrived at the scene, the shooter would not tell them anything. The victim, now missing two fingers (thanks to grabbing the muzzle of a loaded, off safety shotgun and yanking), just said "he shot me." Witnesses, all friends of the victim, all said "he shot him." So the officer got booked for ADW. Later, when his association rep (kinda like a union rep) arrived and talked to him, the officer then told how he was trying to make an off duty arrest and the victim grabbed his weapon (there might be a little more to the story, but that is not important here). Cell door open, home he went. But only after spending a night in jail, which is never fun. Had he told his story first, he never would have seen the inside of the cell...
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OBG