http://uk.businessinsider.com/sociopaths-often-choose-to-live-normal-life-2016-12

https://www.findarticles.com/find?q=10%20signs%20of%20a%20psychopath&dev=m&pplip=11650223&fsrc=ya&gclid=71743495174107&aaa=fb00084

http://vistriai.com/psychopathtest/

http://depressiond.org/sociopath-sociopathic-personality-disorder/

https://www.meetmindful.com/how-to-spot-a-sociopath/

https://www.mayoclinic.org/diseases-conditions/antisocial-personality-disorder/symptoms-causes/syc-20353928

https://www.livestrong.com/article/78297-sociopath-warning-signs/

Antisocial personality disorder

A mental health disorder characterized by disregard for other people.
Learn more at https://g.co/kgs/LRc2D9

https://psychcentral.com/blog/differences-between-a-psychopath-vs-sociopath/

https://www.livestrong.com/article/78297-sociopath-warning-signs/