In the mid-2000s, girls and women started disappearing. A few years later, their bones turned up in a grave—but some are still missing.

Ethan Brown, a reporter who spent years investigating the murders of eight sex workers in Jennings, Louisiana and wrote the book 'Murder in the Bayou,' says there's credible evidence to suggest that several offenders have blood on their hands, and that Jefferson Davis Parish's own law enforcement may be implicated in the crimes.

A&E True Crime takes a closer look at the lives of serial killers Dennis Rader, Randy Kraft and Richard Cottingham, whose seemingly normal childhoods gave way to unspeakable cruelty.

At 89-years-old, David Carpenter—the 1980s serial killer known as the 'Trailside Killer'—is the oldest death row inmate in California. We explore Carpenter's early life, crimes and trial.

There was nothing on the surface that raised red flags about Robert Hansen. The unassuming Anchorage native was married with children and was the successful owner of a bakery. But Hansen eventually confessed to killing 17 women in the Alaskan wilderness in a most heinous way.

It's been nearly a decade since four bodies were discovered spread over a quarter of a mile stretch of beach in Long Island, New York. Since then, other remains have been found, with 10 victims or more now likely tied to a single perpetrator.

Israel Keyes—a murderer who perplexed even the FBI's top minds in criminal profiling—traveled America leaving 'kill kits' with weapons and other items in secluded locations, picking them up before abducting and murdering a chosen victim.

During the 1970s, David Berkowitz, also known as 'The Son of Sam,' prowled New York City, fatally shooting couples in cars. By the time he was arrested in August 1977, he had killed six people and wounded seven others. Although the murders stopped after his arrest, several people who worked on the Son of Sam case are convinced Berkowitz didn't act alone.

It's hard to imagine there was once a time when women trusted serial killer Ted Bundy to take care of their children—but that's exactly what happened in the summer of 1975. Bundy would sometimes take two young boys to a local pool or the drive-in. Years later, one of those boys reflects on incidents that may have hinted at Bundy's dark and secretive world.

Chris Watts, the Colorado man serving three life sentences for the brutal murder of his wife and two young daughters claims to have had a religious conversion behind bars and is now an evangelical Christian. Murderers David Berkowitz, Jeffrey Dahmer and Karla Faye Tucker also claimed to have found or rediscovered God after being incarcerated. We speak with experts about why so many notorious criminals might make such claims while behind bars.