The Collyer brothers holed up inside their house for more than a decade, amassing 120 tons of junk that ultimately killed them.

One of the most effective uses of this technology was in solving a double murder in North Carolina.

For years, the C.I.A. both used these techniques at home and taught them to oppressive foreign dictators.

The true story of Béla Kiss, the Hungarian serial killer who killed at least 23 women and drained their blood.

The rare antique was found at a Romanian flea market for 100 euros.

A great-great grandson of American serial killer H.H. Holmes says that his ancestor was Jack the Ripper.

These vintage mugshots allow us to see both the horror and humanity in the faces of criminals from the 19th and early 20th centuries.

The newly uncovered footage corroborates reports of Imperial Japan's wartime atrocities like never before.

The space agency plans to test its new tech in 2024.

From Van Halen to Metallica, these outrageous '80s metal photos capture rock's great era of excess in all its garish glory.

A photo found in the National Archives may show Amelia Earhart and her navigator alive in the Marshall Islands after their suspected crash landing.