The authors examine female serial killers by focusing on the life of Marjorie Diehl-Armstrong. This book explores mental illness and forensic psychology while also providing a history of how American jurisprudence has grappled with such controversial issues as the insanity defense and mental competency to stand trial.

"Well-used to elevated emotions, psychologist Alex Delaware shrugs off a joking death threat from beautiful Beverly Hills physician Constance Sykes, whose attempt to secure legal custody of her baby niece is thwarted by Alex's forthright report to the court. Alex plays down the threat until LAPD's Milo Sturgis rushes to his side with the shocking word on the street that a hit's been taken out on him. But while Alex may be in grave danger, it won't...

"Iris Walsh saw her twin sister, Piper, get kidnapped--so why does no one believe her? Iris narrowly escaped her pretty, popular twin sister's fate as a teen: kidnapped, trafficked and long gone before the cops agreed to investigate. With no evidence to go on but a few scattered memories, the case quickly goes cold. Now an adult, Iris wants one thing--proof. And if the police still won't help, she'll just have to find it her own way; by interning...