Medical Serial Killers: The So-Called Angels of Mercy

Healthcare professionals are trained to heal but for some, termed medical serial killers, this can lead to a deadly game of multiple murder.

Charles Cullen: From Angel of Mercy to Prolific Serial Killer - The CrimeWire

Charles Cullen evil serial killer nurse murdered dozens of patients

Most Shocking Crimes Charles Cullen Angle Of Death US Serial Killer 16 Years Murders ICU Nurse

Here's what it's like to be pen pals with a serial killer

The 10 Most Prolific Medical Serial Killers Ever

Fatal: The Poisonous Life of a Female Serial Killer by Harold Schechter

Mercy Brown and the New England vampire scare of the 1700s

Netflix debuts film about New Jersey's deadliest serial killer Charles Cullen

The Good Nurse: A True Story of Medicine, Madness, and Murder by Charles Graeber

Why 'Angels of Death' Serial Killers Do It, According to Experts

WCPO helped crack 'Angel of Death' case

Tracing the path of Heather Pressdee, Western Pennsylvania's 'killer nurse