Serial killers like Ted Bundy and John Wayne Gacy led reigns of terror with striking frequency. Several factors could explain ...

who are the most notorious serial killers to have ever existed? Explore the gallery below to discover the identities of the world's most prolific murderers. You may also like: ...

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Here is the reason for Gary Ridgway's move to King County Jail and its effects on the Green River case investigation.

Baumeister, believed to be one of the most prolific serial killers in Indiana history, is the subject of a four-part true-crime documentary from ABC News Studios, "The Fox Hollow Murders ...

A Houston mother has been laid to rest decades after getting justice for her daughter. Harriet Semander's daughter, Elena, ...

Harold Shipman, one of the UK's most prolific killers ... Another notorious British serial killer who happens to be a Capricorn is Jeremy Bamber. Bamber was sentenced to a whole life order ...

Letby, 35, was found guilty of murdering seven children and attempting to murder eight more between June 2015 and June 2016 while working in the neonatal unit of the Countess of Chester Hospital (COCH ...