The Philadelphia Medical Examiner's Office has stuck by its controversial determination that a 27-year-old teacher died by suicide, despite calls for a new investigation into her death. MORE: Search for missing Mount Airy woman now includes homicide detectives, police say

Ellen Greenberg was found on the kitchen floor of her Manayunk apartment on Jan. 26, 2011, with 23 stab wounds on her chest, abdomen and the back of her neck. Despite the volume and location of the cuts, police treated her case like a suicide based on her lack of defensive wounds and testimony from her fiancé Samuel Goldberg, who said she locked herself inside the unit. The medical examiner initially broke with this opinion, ruling her manner of death a homicide, before switching his conclusion to suicide.

Greenberg

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