On June 5, 1960, some time between the hours of 4 and 6AM, four teenagers were savagely attacked while camping at the edge of Lake Bodom in Finland. Only one survived.This unsolved crime has spawned a number of theories and potential suspects, including a KGB spy and the surviving victim himself. It also inspired a 2016 horror movie, called Lake Bodom.

In November of 1974, 112 Ocean Avenue in Amityville, New York was the scene of the gruesome mass killing of the DeFeo family by their older son, Butch Defeo. 14 months later, the next residents of this house fled their property due to a series of terrifying paranormal experiences. Their story inspired the Amityville Horror movie franchise.