Prepare to get seriously creeped out. For this list, well be looking at the most notorious serial killers whose terrifying stories will keep you up late at night! Our countdown includes John Wayne Gacy, David Parker Ray, Albert Fish, and more. Whos the scariest serial killer you know of? Comment their name down below!

Watch more great crime videos here:
Top 10 Books That Inspired Horrific Real Life Crimes: https://youtu.be/U-IIBOiRapk
Top 10 Partners in Crime: https://youtu.be/Bi1LRbmwxc4
Top 20 Crime Movies of the Century (So Far): https://youtu.be/G3BDNgNnq-g

Challenge friends and family on our multiplayer Trivia!
https://www.watchmojo.com/play/id/56578

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

Subscribe for more great content!
https://wmojo.com/watchmojo-subscribe

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 on Film, TV, Video Games, Comics, Celeb, Music and Superheroes.

#SerialKiller
#Crime
#Terrifying
#Disturbing
#Shocking
#Killer
#Criminal
#Death
#TrueCrime