Some monsters don't hide in the shadows—they blend perfectly into everyday life. Gary Ridgway, the Green River Killer, lived a seemingly normal existence while claiming the lives of at least 49 women over two decades, becoming America's most pr...

Highway hitchhikers beware—America's deadliest female highway predator lurked along Florida's roadways in the late 1980s. Eileen Wuornos murdered seven men between 1989-1990, shooting them multiple times and abandoning their bodies in wooded ar...

BONUS SHORT EPISODESomething sinister might be lurking beneath the surface of Ladybird Lake in Austin, Texas. When 38 bodies turn up in just three years, can we really call it a coincidence?The numbers are staggering – nearly 30 ...

Who was the real Ted Bundy? Not the charming law student with the winning smile, but the predator who methodically hunted young women across America in the 1970s. We peel back the layers of one of history's most notorious serial killers, examin...

Lurking beneath the surface of an ordinary construction worker's life was a methodical predator who spent years perfecting the art of murder without detection. Israel Keyes represents a terrifying evolution in serial killing—one who broke all t...

Step into the twisted mind of America's first documented serial killer as Corey, a former police detective, and his 12-year-old son Soren unravel the horrifying legacy of H.H. Holmes in this premiere episode of "Why So Serial?"What make...