Amy Archer-Gilligan ran a nursing home — or as it came to be known, a murder factory. Those under her care rarely made it out alive. Today, we’d label Gilligan an “Angel of Death.” But does a label like that truly explain away her motivations? Join the true crime writer Tori Telfer and notable guests as they unpack the intrigue, psychology and history of the “Angel of Death,” presented by CBS All Access.

M. William Phelps is an investigative journalist and author of The Devil’s Rooming House: The True Story of America’s Deadliest Female Serial Killer.

Carole Lieberman is a psychiatrist, radio talk show host and book author.

Beatrice Yorker served as the Dean of Health and Human Services at California State University, Los Angeles from 2005-2015. She is currently a Professor Emerita of Nursing and Criminal Justice & Criminalistics.

Stephen T. Holmes is Assistant Professor of Criminal Justice at the University of Central Florida. Prior to this position, he was a social science analyst for the National Institute of Justice in Washington, D.C.