A&E 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.

Ken Holmes, a retired death investigator and coroner, on the small clues that have helped solve big crimes.

These criminals were literally dressed to kill.

Kristina Anderson, who survived the Virginia Tech shooting, shares 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.

Celeste and Steven Sanchez recount their experience helping victims at the Las Vegas shooting.

Retired Miami-Dade Police Major Rey Valdes shares his experience policing in the aftermath of 1992's Hurricane Andrew.

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.

Watch a video on the life of the infamous serial killer, Son of Sam.

In the wake of the Las Vegas mass shooting, we asked a retired coroner about how coroners prepare for large disasters.

Live PD's host Dan Abrams on how body cameras and TV cameras help law enforcement with transparency.

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

Some people are trying to make DIY guns.

Karin Ahrman, who has a 13-year-old son, received a flyer in her mailbox notifying her that a registered sex offender had moved in a few houses away. She talks to us about her fight to inform her community about their need for vigilance against sexual offenders.

Want to get people to open up? Talk less, says a top Los Angeles Sheriff's Department crisis negotiator.

Deb Davis shares how Michigan inmates train service dogs and benefit.

Over the last few decades, a major trend in forensic science has been the rise of doubts about previously rock-solid methods, raising serious concerns about the justice system's ability to protect the innocent and punish the guilty.

Linda Fairstein, former sex crimes prosecutor, and Cynthia Calkins, PhD, a forensic psychologist, on how we can protect our families from sex offenders.

The Murdaugh murders exposed a web of deceit and financial crime.