A look at some of Europe's and America's most horrific serial killers and how bizarrely simple blunders eventually brought them to justice.
I Love You, Now Die: The Commonwealth v. Michelle Carter
Murder in the Badlands
Very Scary People
The Disappearance of Madeleine McCann
The Killer Clown: Murder on the Doorstep
The Killer Closer
Real Life Nightmare
This Is a Robbery: The World's Biggest Art Heist
Conversations with a Killer: The John Wayne Gacy Tapes
Street Food: Asia
What The Killer Did Next
The Many Deaths of Nora Dalmasso
Mafia Spies
Crimes Gone Viral: Eyewitness
Confronting a Serial Killer
Under Suspicion: Uncovering the Wesphael Case
La traque
Myth of the Zodiac Killer
Pandora's Box: Unleashing Evil