Just been reading this amazing article about a facility to treat teenagers in America who are on the path to psychopathy.
Some of these kids have had terrible lives, and need care and to form connections. But the scary bit is that some of them come from loving families and seem to be born with this tendency.
www.theatlantic.com/magazine/archive/2017/06/when-your-child-is-a-psychopath/524502/