Delve into what turns someone into a killer. Whether it was premeditated or spontaneous, a revenge plot or the killer simply snapped, experts uncover the true story behind each killer from the very beginning.
EPISODE 5
Charles Cullen: Killing for Kindness
The story of nurse Charles Cullen, who confessed to using lethal overdoses to murder dozens of patients during his decades-long career at hospitals across New Jersey and Pennsylvania.
EPISODE 6
Antoinette Frank: The Killer Cop
Antoinette Frank was trusted to protect the community as a police officer but ended up committing one of the worst crimes imaginable when she took three lives during an armed robbery.
Lucy Wolfe
Kate Beal
Matthew Gordon
Koulla Anastasi
Katie McDougall
Tom Howe
