Is it? How hard would it be for him to "find" enough drugs in your car to charge you with felony possession? Or charge you with assault against a police officer? (what assault? The one that he and his colleagues just "witnessed" while you claim you were handcuffed to a chair - who is the jury going to believe? You or 5 uniformed police officers who "saw" the whole thing?) Better hope you don't "steal" his gun and end up dead in a self-defense shooting.
There's a lot that a local cop can do to make your life miserable if he's not bound by law (or ethics)
Don't count on police cameras to keep you safe since they can "malfunction" when the video they capture may be inconvenient like "officials say all seven dashboard cameras in the police cruisers coincidentally malfunctioned." (https://www.washingtonpost.com/news/the-watch/wp/2014/03/26/...)