Authorities in Oklahoma have named BTK Killer Dennis Rader as the prime suspect in a 1976 disappearance — and investigators have been receiving help from his daughter, Kerri Rawson.

Real-life FBI agent Joe Pistone spent five years undercover posing as a jewel thief named Donnie Brasco, befriending mobsters like "Lefty" Ruggiero to gather intel on the Bonanno crime family.

This is just the fifth woolly rhino ever discovered with its soft tissues still preserved.

The Killer Clown's former lawyer Karen Conti claims that John Wayne Gacy's victim count is much higher than the authorities realized and that he may have murdered at least 20 more people than the 33 he was convicted of in 1980.

The pipeline's discovery comes as part of the 10th archaeological excavation at Keeladi.

The site was used for several hundred years, from the Bronze Age to the Iron Age.

Rick James was one of the most iconic singer-songwriters of the 1970s and '80s — but he also left behind a controversial legacy.

First sent to The San Francisco Chronicle by the Zodiac Killer on November 8, 1969, the Z340 cipher proved utterly baffling — until now.

Found off the Essex coast, this oyster measures about a foot in length, making it roughly the size of a newborn baby.

Like the Mothman of West Virginia, the Chicago Mothman is said to be a large, winged humanoid creature with glowing red eyes and a sinister presence.