Benjamin H. Smith

Ángel Reséndiz claimed he was an avenging angel sent by God to punish those he thought "were evil and deserved to die.”

Kevin Boyd Jr. didn't kill his father, Kevin Boyd Sr., alone — his mother was in on the plan, too.

Richard Rogers was just an average middle-aged man — but underneath his kindly veneer was who the media would call the “Last Call Killer."

Serial killer Samuel Little confessed to murdering 93 women in a series of shocking taped interviews with the FBI.

While hunting the “Grim Sleeper,” investigators turned to a new and controversial technique — familial DNA matches.

Rod Ferrell became the youngest person on death row after he bashed the parents of his friend and fellow "Vampire" to death.

Danny Rolling, known for killing five university students, aspired to be a "superstar" like Ted Bundy.

When sex workers in Dallas, Texas started showing up dead with their eyeballs missing, terror spread through the neighborhood, until a carpenter with a fondness for taxidermy was identified as their serial killer.

Prosecutors argued serial killer Michael Gargiulo derived pleasure from sadistically murdering beautiful young women.

Stevie Branch, Michael Moore and Christopher Byers were only 8 years old when they viciously murdered in 1993.