Gut reactions to psychopaths tend to be the opposite: they are charming, and charismatic. Theres's a very good chance that you will like them, from the first impression. That's one of the traits/signs of a psychopath. That's why you shouldn't trust your gut, at least not in this case.
And the experiences of the victims in the article reinforce this point, at least in the first encounters: a courtly gentleman, he was very respectful.
And the experiences of the victims in the article reinforce this point, at least in the first encounters: a courtly gentleman, he was very respectful.