A collection of real-world lonely hearts killers mentioned, referenced, or unreferenced on Criminal Minds, as well as the spin-offs Suspect Behavior and Beyond Borders.
Rodney Alcala
The Dating Game Killer
The Dating Game Killer
Nannie Doss
The Giggling Granny
The Giggling Granny
Raymond Fernandez and Martha Beck
The Lonely Hearts Killers
The Lonely Hearts Killers
Albert Fish
The Gray Man
The Gray Man
Robert Hansen
The Butcher Baker
The Butcher Baker
Helmuth Schmidt
American Bluebeard
American Bluebeard