Greenberg, 27, was found dead by her fiancé, who returned to their home in Philadelphia to find the door’s swing bar lock in use. After forcing his way in, her fiancé, Sam Goldberg, discovered Greenberg dead with a 10-inch knife in her chest.

A medical examiner who said the 2011 death of a Philadelphia teacher found with 20 stabs wounds was a homicide — then reversed himself to say suicide — now admits the case is something “other than suicide.