These are the worst serial killers of all time. For this list, we’ll be looking at the creepiest multiplefatality felons that kept us up late at night due to their terrible actions and unsettling behavior. Our countdown includes Dennis Rader, Albert Fish, Jeffrey Dahmer, H.H. Holmes, and more. Which of these appalls you the most? Let us know below.

Watch more serial killer videos here:
10 Serial Killers That Are STILL ACTIVE:    • 10 Serial Killers That Are STILL ACTIVE  
20 Cold Cases That Were Finally Solved:    • 20 Cold Cases That Were Finally Solved  
Top 20 Serial Killers Who Were Never Caught:    • Top 20 Serial Killers Who Were Never ...  

Become a channel member to get access to special perks:
   / @watchmojo  

Challenge friends and family on our multiplayer Trivia!
https://www.watchmojo.com/play/id/63156

Have your idea become a video!
https://wmojo.com/suggest

Subscribe for more great content!
https://wmojo.com/watchmojosubscribe

Visit our shop for awesome merch!
https://shop.watchmojo.com/

Your trusted authority for Top 10 lists, reviews, tips and tricks, biographies, origins, and entertainment news

#SerialKillers
#Killers
#Disturbing
#Terrifying
#Scariest
#Crime
#Criminal
#Worst
#Horror
#JeffreyDahmer