
Donald Harvey: Donald Harvey is seen as a good worker. In fact, he is a serial killer who confesses to multiple murders - but no one initially believes him. (S2, ep 12)

Donald Harvey: Donald Harvey is seen as a good worker. In fact, he is a serial killer who confesses to multiple murders - but no one initially believes him. (S2, ep 12)

Charles Cullen: Nurse Charles Cullen says he hated to see people suffer but he became the most prolific serial killer in New Jersey history. (S2, ep 13)

Yolanda Saldivar: A rising pop star, Selena Quintanilla, is gunned down by her fan-turned-manager, Yolanda Saldivar. What led to this tragic betrayal? (S3, ep 1)

Yolanda Saldivar: A rising pop star, Selena Quintanilla, is gunned down by her fan-turned-manager, Yolanda Saldivar. What led to this tragic betrayal? (S3, ep 1)