VICIOUS INJURIES Mystery still surrounds teacher Ellen Greenburg’s brutal death after being ruled a suicide despite 20 stab woundsA YOUNG teacher's gruesome death, ruled a suicide despite 20 stab wounds, continues to baffle investigators and her grieving family. April 4, 2011 After a meeting with Philadelphia Police, Dr. Osbourne changes Ellen’s death ruling from homicide to suicide. Forensic pathologist Dr Wayne Ross, hired by the Greenbergs, insists Ellen’s death was a homicide, pointing to neck bruises suggesting strangulation, CNN reported. The Greenbergs found a gas receipt from hours before Ellen’s death, suggesting she was preparing to leave, possibly escaping something. Now, ABC News Studios is turning Greenbergs' death mystery into a three-part series, Death in Apartment 603: What Happened to Ellen Greenberg?