A teacher was found with a knife in her heart. Why wasn’t her death ruled a homicide?

A teacher was found with a knife in her heart. Why wasn’t her death ruled a homicide?

Twenty-seven-year-old Ellen Greenberg was a beloved elementary school teacher who was adored by everyone who knew her. One wintry day, her fiancé discovered her dead on their apartment floor with a knife sticking out her heart and stab wounds all over her body. The pathologist initially ruled her death a homicide, then changed her manner of death to suicide. Ellen’s family insists she was murdered. What is the truth, and will there ever be justice for Ellen?

Source: True Crime Daily