Conman H. H. Holmes was the first American serial killer. He died by hanging in 1896 but a living descendant believed Holmes may have pulled off one last trick.
Seminole Heights faced a real fear in the fall of 2017 as a serial killer began an active execution campaign, shooting citizens in senseless acts of violence.
In 2016, authorities investigated a plea for help, but they had no idea what awaited them. Here are some chilling details about serial killer Shawn Grate.
Israel Keyes was a serial killer from Utah said to have killed 11 people before being apprehended in 2012. Here's how he kept his daughter out of the spotlight.
The biological son of infamous killer Charles Manson changed his name to distance himself from Manson's horrible legacy, but his life would be mired in tragedy.
Andrew Cunanan killed fashion icon Gianni Versace in 1997, which led to his intense media coverage. But, this is what you need to know about who raised him.
Serial Killer Charles Ng has been sentenced to death by lethal injection and awaits his punishment in jail, but the trail has cost California a fortune.
In 1956, 18-year-old Barbara Jean Jepson was found raped and stabbed to death in her San Fernando Valley home in California. It was solved years later.
Billy Mansfield Jr's "house of horrors" held secrets of buried skeletons, some of which remained unidentifed until recently. Here's what you need to know.
Serial killer Billy Mansfield, Jr., was convicted on various charges, including the deaths of multiple women and girls. Here is what has happened to him.
Netflix's "Night Stalker" featured Frank Salerno, one of the detectives who solved the case of Richard Ramirez. This is what Salerno's done since retiring.
Lizzie Halliday made headlines for all the wrong reasons during her infamous life. Here are some of the most chilling details of the "Worst Woman on Earth."
We don't usually think of children as killers. But 1968, a young British girl named Mary Bell shocked investigators after they linked her to two brutal murders.
It's one of those running themes in the annals of crime fiction and true crime alike: Is there such a thing as the perfect crime? Can someone avoid justice?