Richard Rogers preyed on gay men he met in bars and clubs, dismembering them and leaving body parts in trash bags strewn alongside roads in three states.

Men commit murder 10 times more often than women. But just because a woman's fingerprints aren't at the crime scene doesn't mean her fingerprints weren't on the plan. We look at some memorable cases of men killing for their sweethearts.

Lisa Montgomery spent years on death row after committing a horrific crime. While there, she began to recover from a lifetime of nightmarish abuse. In January 2021 she was the first woman executed by the U.S. government in 67 years.

Investigative historian Peter Vronsky explains how Edmund Kemper, Ted Bundy, Jeffrey Dahmer and others reached celebrity status during the 'Golden Age' of American serial killing.

Although ruled accidental, Elisa Lam's mysterious death at the Cecil Hotel continues to fuel conspiracy theories and speculation.

Jeffrey Dahmer was just 18 when he committed his first murder, much younger than the average age of serial killers, which researchers have determined is around 29 years old. Why did he wait nearly a decade before killing his next victim?

Over nearly two decades, Dennis Rader murdered at least 10 people in the Wichita, Kansas area under the pseudonym BTK ('Bind, Torture, Kill'). But despite his repeated taunts to the police and media, investigators were unable to hone in on a suspect.

Manson's murder conviction in 1971 left many, including his biological family, with guilt and unanswered questions.

The disappearance of LaToyia Figueroa, who was Black and Hispanic, sparked controversy in 2005 when the case didn't garner the media attention it deserved.

In the 1960s, an unidentified serial killer terrorized London sex workers. The Hammersmith Nude Murders remains one of Britain's most infamous unsolved crimes.