For more than ten years, the family of Ellen Greenberg has been looking for answers and justice. The 27-year-old first grade teacher and bride-to-be was found stabbed behind the locked door of her apartment. In fact, she was stabbed 20 times, including wounds to her back and head. The original finding by the medical examiner determined homicide. So, why does the final ruling say Ellen Greenberg committed suicide? Listen to former death scene investigator Joseph Scott Morgan's analysis, then join him as he and Nancy Grace recreate the crime scene and hear from Ellen Greenberg's parents in Teacher Death Mystery: A Nancy Grace Investigation,  streaming now on Fox Nation.   Was it suicide, or did something more sinister happen to Ellen Greenberg?    Follow the push for justice with Teacher Death Mystery: A Nancy Grace Investigation, and Behind the Locked Door with Joseph Scott Morgan.  STREAMING NOW: Teacher Death Mystery: A Nancy Grace Investigation  Follow this case on Facebook at "Justice for Ellen." Subscribe to Body Bags with Joseph Scott Morgan : Apple Podcasts Spotify iHeartSee omnystudio.com/listener for privacy information.