Editor’s Note: This story contains discussions of rape or sexual assault that may be disturbing. Reader discretion is advised. If you or someone you know has been sexually assaulted, you can find help ...

The US is No. 1 — in serial killers. With a chilling 3,615 known serial killers to date, America has produced 66.2% of the world’s known serial killers to date — and outpace the next deadliest nations ...

The United States has 3,803 documented serial killers since 1900, accounting for 62.9% of the total in the dataset. No other country has 200 documented cases, with England (188) and Russia (172) ...

Phoenix police had more than one serial killer stalking the Phoenix streets in 2006 as fear gripped the city.

Federal authorities and criminologists actually classify people who kill more than one person into three different groups: serial killers, spree killers and mass murderers. The dictionary defines a ...

Presented by the new Hulu original series "Furious." Candice DeLong is a former FBI agent and profiler. She has interviewed dozens of female killers and at least one convicted female serial killer, ...

Mass murder is sometimes confused with serial murder by the news media and the public in general. Such confusion is not surprising. Up until 1974, criminal justice practitioners used the term mass ...