A former priest becomes the prime suspect in the 1960 murder of a Texas beauty queen.

The criminologist/lawyer who created Perry Mason unravels the Boston Strangler case, in which eleven women were murdered by an assailant they willingly let into their homes.

A Stockholm prostitute is found hacked apart in a dumpster, her head is never found. Two accomplished doctors, confirmed creeps, are arrested. Uncertainty endures.

For the last two decades, the varied personalities behind the Vidocq Society—retired cops, sketch artists, FBI agents—have gathered in Philadelphia to tackled cold-case homicides over lunch. They claim to have solved more than half.

She moved to Cape Cod to escape the glitzy Manhattan world she born into. The only witness to her murder was her 2 1/2-year-old daughter. Everyone she knew, it seemed, was a suspect.

A Wikipedia-style dissection of the case that inspired The Fugitive. The accused, Dr. Sam Sheppard, claimed to have struggled with an intruder before being knocked out and dumped on a beach, his wife’s left corpse in their house.

The unsolved killing of Russia’s most notorious spammer.

An unidentified body found near the beach in Australia in 1948. An unclaimed suitcase. A coded note.