Rapist guilty of using Northampton Co. prison tablet for ‘sex slave contract,’ judge rules Updated 10:07 AM; Today 9:46 AM Facebook Share Being behind bars and on trial for raping multiple women did not stop Seth Mull from continuing to victimize women for his own personal gain. Mull was in Northampton County Prison in late 2018 when he starting using a tablet rented from the prison to prostitute a 27-year-old woman, prosecutors said. The money went toward Mull’s prison commissary account. On Tuesday, following a bench trial before Judge Samuel Murray, the 33-year-old Mull was found g...