Ellen Greenberg ’s 2011 death is officially ruled a suicide -- again -- the ruling coming after the Philadelphia Medical Examiner's Office dug back in for a second look at the case in which a woman was found with multiple stab wounds in the back of her head and neck. The ruling is sure to spark major controversy ... Greenberg, a 27-year-old Philly teacher, was found dead by her fiancé in 2011 ... she'd been stabbed 20 times in the back of her neck and head, with a knife protruding from her