Peter Sutcliffe had the makings of a serial killer before he claimed his first victim and continued on a murderous spree that terrorized England for nearly five years.

An episode of 'Killer Cases' focuses on a mysterious triple murder in Pensacola that brought whispers of black magic to the Florida panhandle. 

Florida mom Casey Anthony lied to investigators about the 2008 disappearance of her 2-year-old daughter Caylee Anthony for weeks. We've compiled a list of some of her most questionable statements.

Nearly 20 years ago, retired NYPD detectives started tracking the suspicious drownings of young men across the country after they discovered a graffiti smiley face near at least a dozen locations where they found bodies.

While her husband and daughters were out of state, Dr. Teresa Sievers was murdered. 'This was almost the perfect crime,' says prosecutor Cynthia Ross. 'There was absolutely no trace evidence.'

Lisa McVey was 17 years old when she was abducted, beaten and raped by a serial killer—and managed to survive. We spoke with McVey, now a master deputy in the Hillsborough County (Florida) Sheriff's Office, about how she outsmarted her kidnapper, Bobby Joe Long.

We spoke with Joni Johnston, a forensic psychologist, to explore the ancient legacy of poisonings, the psychological profile of a homicidal poisoner and common myths and misconceptions about those who poison.

Inconsistencies in a victim's story can often lead to skepticism. A&E True Crime spoke with leading trauma psychologist Dr. Rebecca Bailey about why asking victims to recount information under stress is problematic.

We spoke with legendary FBI profiler John Douglas about how a childhood injury may have pushed Joseph Paul Franklin to serial murder.

Having endured a violent and abusive childhood, Aileen 'Lee' Wuornos sold sex to survive—ultimately killing seven men. We spoke with feminist writer Phyllis Chesler about her motivation to help Wuornos's case.