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.

Eddie Seda, Matthew Milat and Michael Madison are just a handful of killers who claim to have been inspired by other killers.

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

A&E True Crime speaks with author Alan Feuer about how a sophisticated, encrypted cell-phone system and a young technology specialist led to El Chapo's capture.

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.