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 ...

The ‘Werewolf’, a notorious serial killer jailed for like for slaughtering 22 women has been convicted of another 56 murders. Former Russian policeman Mikhail Popkov, one of the most prolific serial ...

A former Russian policeman convicted of killing 22 women went on trial Wednesday for a further 59 murders in a case that could make him Russia’s most prolific serial killer in recent history. Mikhail ...

A man accused of killing dozens of people and keeping count of them on a chessboard lured most of his victims by offering them vodka to mourn the death of a nonexistent dog, prosecutors said at his ...