The newlywed vanished after a night out with a friend.
John Wayne Gacy AKA "The Killer Clown" raped and murdered at least 33—crimes he died for in 1994. These are the rarely-discussed details of his life.
A milkman discovered that the beer kingpin was missing.
Think you know everything about the most infamous serial killers the world has ever produced?
Here's where they go after they're gone for good...
Could the two men behind the infamous Clutter family murders have killed the Walkers as well?
An inquiry into his sinister activities concluded that he killed at least 215 of his patients.
Dead men do tell tales—especially at Tennessee's Body Farm, where dozens of cadavers are studied as they decay.