Earlier quoted context omitted.
On the other hand, gut reactions to sociopaths and psychopaths are a thing. Too often though people take your view of it, and try to rationalize that feeling away. I’d rather trust my gut and ignore the pretty mediocre studies about unconscious bias that seem hard to replicate, thanks.
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…
http://drreidmeloy.com/wp-content/uploads/2015/12/2002_Auton...
https://www.psychologytoday.com/blog/criminal-minds/201301/d...
In other words, a gut reaction isn’t proof of anything, and neither is a lack of a gut reaction, BUT... when it happens, and when it’s a high risk situation, listen to your gut.