NORTH PLATTE – Dean Edward Hackbart was arrested Wednesday for allegedly sexually assaulting of a 12 year old girl. The victim recently disclosed that sexual contact with Hackbart has been going on for the past three months. The North Platte Police Department says if convicted Hackbart, who is currently on parole, could face life in prison. Hackbart was convicted of arson in 1999, and 3rd degree sexual assault in 1997 and 2005. A preliminary hearing for Hackbart in Lincoln County District Court is set for Thursday June 30.