“Psychopaths have no little to no sense of empathy. Its not worn on their sleeve or tattooed to their forehead. I guarantee you’ve met plenty of them and there are degrees of it. Very few are serial killers, but many are SOBs you want to avoid and not deal with.”
indeed, and rest of the their families are usually completely normal, including siblings ... very little evidence that sociopathy is induced by genetics and/or environment ... at this point in the game, cause is essentially unknown for all practical purposes, though it’s well-known that there is essentially no cure ...
Nature or nuture? Probably some of both! How much I am sure is situation dependent.
This might explain some of it:
“The father of teenage murder suspect Aiden Fucci, who allegedly stabbed his cheerleader classmate Tristyn Bailey to death, was previously jailed for child abuse.
Aged 18, he was found guilty of engaging in sexual activity with a 15-year-old girl and jailed for 14 months.”