On February 20, 2016, the city of Kalamazoo, Michigan found itself under siege. From a father/son duo out car shopping to a group of friends meeting for dinner, a madman was methodically gunning down unsuspecting citizens with no rhyme or reason. When the family man responsible for the rampage was apprehended, authorities were not prepare for the story he told them. Did Jason Dalton simply snap on that winter afternoon? Or was he possessed by evil, as he claimed?