Which countries have produced the most serial killers since 1900? Explore data from Radford University and FGCU tracking global case numbers.

Aileen Wuornos is known as one of America’s most notorious female serial killers—she confessed to killing seven middle-aged ...

Dozens of serial killers have terrorized American communities over the decades, from H. H. Holmes becoming “the Beast of Chicago” in the 19th century to “the Hillside Stranglers” inciting fear across ...

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 ...

Many actors have epitomized Aileen Wuornos, a hitchhiking sex worker who became one of the most notorious female serial ...

Sean Penn directed this haunting, revisionist adaptation of György Fehér’s Twilight (1990). Jack Nicholson is Jerry Black, a just-retired homicide detective who becomes unmoored when he begins looking ...

The real-life European countess, born in 1560, is considered by National Geographic to be one of the ‘most prolific female ...

Which countries have the most documented serial killers? The U.S. tops the ranking by a staggering margin with 3,803 identified cases.