Harold Shipman is suspected of killing more than 250 people over two decades. How did he get away with it for so long?

Police told 10TV that they are not investigating any “active serial killers” in their jurisdiction and are not aware of an investigation on the man named in the posts. Deputies in a Florida ...

A spokesperson with Columbus police told NBC4 Tuesday morning they could not provide an update on the triple homicide, but did say the division is not “investigating any active serial killers ...

The Zodiac remains one of the most mysterious serial killers in U.S. history, active at the turn of the 1960s and 1970s. He is credited with murdering 37 people but was never caught. Investigators ...

A spokesperson with Columbus police told NBC4 Tuesday morning they could not provide an update on the triple homicide, but did say the division is not “investigating any active serial killers” in its ...

The Zodiac remains one of the most mysterious serial killers in U.S. history, active at the turn of the 1960s and 1970s. He is credited with murdering 37 people but was never caught. Investigators ...

Though Jack the Ripper—an unidentified murderer who was active in the late 19th century—is often called the "first modern serial killer," the term “serial killer” itself was popularized in ...