Dr. Marissa Harrison, an evolutionary psychologist and author, speaks to us about her research on female serial killers and how she was impacted by victims' stories.

In January 2021, a man crashed into Lawrence Leonarduzzi, a flagger directing traffic at a work site in Iron County, Michigan, causing his death. But was it a crime or an accident?

Journalist and author Jeff Guinn on what can be learned from David Koresh and the Waco siege and how an FBI coverup continues to stoke the fires of government distrust three decades later.

More than 22 years after the murder of Keith Jones, a veteran Marine, his friend, Michelle Ashley, was charged with his murder. But was the real killer—or killers—caught?

After a Georgia man's murder, detective John Dawes promised the victim's wife he would solve the cold case. He didn't give up until he did.

Sex trafficking has evolved in the 21st century to focus heavily on social media and financial mobile applications. And despite efforts to stop it, it's increasing globally.

During his 1980 trial, evidence against the serial killer was so strong that his guilt was not in question. Instead, the case hinged on whether he'd been legally insane when he killed.

After 6-year-old William DaShawn Hamilton was found murdered in Georgia in 1999, it took 23 years to identify him and solve the case. We speak with those who never forgot about the case and pushed for justice.

We speak with experts about how conditions, like environment and temperature, affect forensic evidence when a body goes undiscovered for long periods of time.

In 2022, the cold case murder of a Black teenage girl in Atlanta, Nacole Smith, and the sexual assault of another Black teen, were solved using forensic genetic genealogy. The assailant was the same man in both cases: Kevin Arnold.