I can't count the number of people I've helped to send to prison in the last 43 years. I've never had any trouble with any of them after they got out. Most of them know that if you harm or try to harm an active or ex-leo you're gonna have a serious problem with those still on the job. I still "don't leave home without it" because nowadays you never know I can't remember any witnesses being harmed or threatened after a sentence has been served even though I've seen witness intimidation a few times before a trial. I'm sure it's happened some but I would think it would be a rare occassion.