1. Israel Keyes
2. Carl Panzram
3. Marcel Petiot
4. William Bonin
5. Ted Bundy
6. Angel Resendiz
7. John Wayne Gacy
8. Aileen Wuornos
9. Fritz Haarmann
10. Earle Nelson
11. Carroll Cole
12. Raymond Fernandez
13. Martha Beck
14. Westley Allan Dodd
15. Kenneth McDuff
16. Correction
Israel Keyes killed himself. An earlier version of this post said that he was executed.