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

Twenty-five years after her disappearance, what happened to Jodi Huisentruit, a 27-year-old morning news anchor in Mason City, Iowa, still remains a mystery. Read more about her sudden disappearance.

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.

After their 2013 escape from Ariel Castro's house of horrors, where he repeatedly raped and tortured them, the three women are now working to help other survivors.

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.

Working as an informant for the FBI is dangerous, undercover work. Hear from writer Jeanette Hurt on how her dad, an unexpected FBI informant, helped expose corruption at the Chicago Truck Drivers, Helpers and Warehouse Workers Union.

Although it's a common plot in young adult novels, it's rare kids help police solve cases in real life. But some young people have helped crack cases. Read their stories.

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.