Chances are, you don't know the people around you as well as you think you do. Friends, coworkers, neighbors, and even family members can have a darkness lurking inside them, and sometimes, the truth can be absolutely horrifying. Reddit users who knew serial killers have come together to discuss their experiences, and it's amazing how many of them totally missed obvious signal flags. The next time you meet a person that seems nice, but feels a little "off," maybe it's best to follow your instincts, as the life you save may very well be your own.
The BTK Killer Drove Scouts Home Before Curfew To Protect Them
One User Helped The Night Stalker Hone His Craft
A Redditor's Mom Was Briefly In The Manson Family
Jeffrey Dahmer Had A Day Job Too
Bayou Strangler Ronald Dominique's Childhood Sounds Pretty Rough
For Aileen Wuornos, Evil Runs In The Family