A self-proclaimed 'messiah' decapitated his 68-year-old father - then held up the victim's head in a politically-charged YouTube video blasting the federal government and the Biden administration. Justin Mohn pictured during the grotesque video in which he apparently brandished his father's severed head while saying his dad was 'in hell'Justin Mohn's father, Michael, and his mother, Denice. He says: 'This is the head of Mike Mohn, a federal employee of over 20 years and my father. Officially, police have called Michael Mohn's death as 'suspicious.' They confirmed the victim had been beheaded and that the YouTube video was part of the same investigation.