Every season of Descent of a Serial Killer ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Descent of a Serial Killer!

Leading forensic profiler and serial killer expert Dr. Bryanna Fox examines the serial killer's path from childhood or early teens when worrying traits first come to the fore, the gradual pushing of boundaries and the disintegration of personal morality, and the culmination to murder or multiple murders.

The Best Seasons of Descent of a Serial Killer

The Best Seasons of Descent of a Serial Killer