Quite often it is only in hindsight that the friends and family of a mass-shooting perpetrator realize that the bloodbath was actually the climax of a series of foretelling clues from an angry, violent, paranoid, withdrawn person, who happens to have a  newfound fixation with guns. Such devastating epiphanies beg the question: Can we predict tomorrow's mass shooter?

The story of a California couple, Louise and David Turpin, charged with abusing their 13 children, is only the latest high-profile case involving parents accused of horrific acts.

Although not as well known or remembered for their horrific deeds as serial killers are, serial rapists exert control through terrifying means.

Read an excerpt of the true-crime book "The Man From the Train: The Solving of a Century-Old Serial Killer Mystery" of the murder of the unorthodox Schultz family of Houston Heights, Texas.

Thomas Hargrove of the Murder Accountability Project talks about the 2,000 or so serial killers he believes are prowling U.S. streets now.

A&E True Crime spoke with Dr. Gail Saltz, clinical associate professor of psychiatry, about why the serial killer was so well-behaved after he was locked up.

Pastor Alex Evans, police chaplain for the Blacksburg, Virginia Police Department during the Virginia Tech shooting, on the evolving role of a chaplain in today's modern world.

Why do so many killers—Jeffrey Dahmer, Ted Bundy and David Berkowitz to name a few—abuse animals before targeting people? An expert provides insights on how the two behaviors are linked.

Tommy Ray, a special agent with the Florida Department of Law Enforcement, came up with an idea that would revolutionize cold-case homicide investigations: making a game out of it.

The year 2017 was an explosive one on the crime-news front. But for the families of some long-ago crime victims, the past 12 months were especially memorable since their loved ones’ cases—some unsolved for decades—took dramatic new steps toward being solved