Serial snipers John Allen Muhammad, Lee Boyd Malvo randomly killed in broad daylight and terrorized the DC metro area.

In Hartford, Connecticut, a search commenced for a serial killer, Matthew Steven Johnson, who seemed to enjoy “the physical act of annihilating another human being.” 

When the ‘Bayou Strangler' was caught, he was "sort of braggadocious" as he described strangling and killing his victims.

Baton Rouge detectives track a serial strangler of women who got “satisfaction” from mutilating his victims.

Before watching "Mark Of  A Serial Killer," learn how a task force tracked Louisiana's “most gruesome serial killer,” a person strangling homeless men to death.

Even in Hawaii, there has been a serial killer. See which murderer stalked your state.

Young women in shallow graves was ruthless killer David Leonard Wood's grim signature. 

Anthony Shore used homemade ligatures to murder his victims, including a 9-year-old girl.

Familial DNA and pizza helped the LAPD finally catch the "Grim Sleeper" serial killer.

In the 1980s, a serial murderer targeted young men and left a trail of bodies across the Midwest.