My mother called and said michelle is dead. How is that possible . Reporter a young mother found brutally murdered. Her little girl left to wander in her mothers blood. Police had a suspect and they say he had a motive. But could they prove he was the killer . It was a circle case. Reporter except for that witness. The girl who left those footprints. We will never know what cassidy saw and what she didnt see. Maybe she couldnt tell detectives who the killer was, but maybe, she didnt have to. The fact that cassidy was spared, would that mean anything to the jury . The person that killed the mother killed about cassidy. Hello, welcome to dateline. Michelle young was married to her College Sweetheart four months pregnant with their second child. The young mother was beaten to death in her own bedroom. The investigation revealed a troubled marriage. But the husband was away on business and unraveling this case would take years. Here is Keith Morrison with Silent Witness. I think i paused f