A&E True Crime talks with Dr. Scott Bonn, criminologist and author of the book, 'Why We Love Serial Killers' about what he thinks were the powerful catalysts for the makings of a serial killer.

Some of the most notorious serial killers of our time have something in common, beside their thirst for blood: They were all adopted. A&E True Crime talks to criminologist Dr. Scott Bonn to see whether there is any evidence of an adoptee-serial killer connection.

Dressing in disguise is a time-honored Halloween tradition where self-expression and secrecy often meet. But costumes can also serve a much more sinister purpose. Learn about murderers who literally dressed to kill.

Ken Holmes, a retired death investigator and coroner, talks to A&E True Crime about the small clues that have helped solve big crimes and the surprising aspects of dealing with death for a living

Kristina Anderson, survivor of the Virginia Tech mass shooting, tells her story of that tragic day and how to prepare for an active-shooter scenario.

Fred Paige, investigator on the A&E series The Eleven, on why the murders of so many teenage girls in Texas have gone unsolved for so long and the common thread among family members of the victims.

Over 20 years later, Dr. Stuart Hart, a child psychologist and expert defense witness in the trials of Erik and Lyle Menendez for the 1989 shotgun murder of their parents, still believes the brothers were abused.

Live PD host and veteran legal commentator Dan Abrams on some of the high-profile cases he's covered.

A&E True Crime spoke to experts to explore the disturbing reasons why some men kill the person with whom they've vowed to share a lifetime.

Forensics has revolutionized law enforcement in the last several decades. We talk to the experts to see how these advancements have helped to close tough cases.