Dr Sohom Das, a forensic psychiatrist who works on violent criminal cases, revealed how to spot a psychopath in your friend ...

After years of searching, the cases break wide open when officers pick up a man on a probation violation. and he soon reveals himself to be a homicidal psychopath.

Exclusive: A young killer who grinned while stabbing his victim shows signs of thrill-seeking violence, obsession with knives ...