On December 28, 1956, the Grimes sisters, 15 and 12, left home to watch heartthrob Elvis Presley in Love Me Tender in Chicago. Six decades later, their inexplicable murder remains unsolved.

On Halloween 1974, a Texas man poisoned his young son with cyanide-laced candy in an attempt to collect the insurance money. He became known as 'The Candy Man.'

For fans of the 23-year-old pop star, her murder was a shocking tragedy. But for those close to Selena, it was an event foreshadowed by multiple warning signs of her fan club president's nefarious intentions.

A popular theory claims three childhood behaviors—animal cruelty, fire setting and persistent bedwetting—can indicate a serial killer in the making.

It's been over 40 years since Jeffrey MacDonald was convicted of killing his wife and daughters. But he still claims he is innocent.

The serial killer seemed to be a well-adjusted adult. But his crimes included binding, torturing, raping and ultimately murdering 33 male victims, some as young as 15 years old.

We explore the serial murders committed by Earl Taylor, Robert Spangler and Jack Reeves: men who killed more than one of their wives.

Griselda Blanco built a $2 billion cocaine empire, but her reckless thirst for blood made the Cocaine Godmother a target.

From William Williams to Jimmy Lee Gray to Jesse Joseph Tafero and others, the executions of a number of death-row inmates have not gone as planned in the U.S.

Looking back on when a brutal, satanic gang terrorized Chicago by torturing and killing women at random in the 1980s. One of the killers, Thomas Kokoraleis, was released from prison in 2019. Many are unhappy that he's a free man.