Lol psychopathy is not a mental health issue. It's a personality. It's not in the DSM because it's not an actual disorder. If you have read anything about psychopathy, you would actually realize all of these characteristics check out except for the violence. A psychopath does not necessarily have to be violent but tend to be because of the other characteristics associated with it. This is not offensive in anyway. If you would like a source, I recommend you start from Robert Hare's book Without Conscience.