Teacher and bride-to-be Ellen Greenberg is found inside a locked apartment stabbed 20 times, including the back of the neck. It's ruled a suicide but does the evidence support the claim? Greenberg's family has filed a lawsuit against the Philadelphia County Medical Examiner's Office to compel officials to change the cause of death back to homicide or undetermined.

Joining Nancy Grace today:

• Sandee Greenberg - Mother
• Josh Greenberg - Father
• Darryl Cohen - Former Assistant District Attorney, Fulton County, Georgia, Defense Attorney 
• Dr. Angela Arnold - Psychiatrist, Atlanta Ga www.angelaarnoldmd.com 
• Tom Brennan - Private Investigator for the Greenbergs
• Joe Scott Morgan - Professor of Forensics Jacksonville State University, Author, "Blood Beneath My Feet" featured on "Poisonous Liaisons" on True Crime Network
• Brian Sheehan - reporter, WHP-TV Local 21

Follow the investigation on Facebook at https://www.facebook.com/JusticeForEllen2019