Quincy, M.E.
The Mourning After (7x24)
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A fraternity ‘hazing' stunt goes badly wrong and a young man, Cary Stadler, dies. The other students panic and cover up how he died by placing his body in another place. Seeing as Quincy is the ME who deals with the case their attempt is very quickly uncovered. He proves that the story they are telling the police is complete fabrication. Proving they were involved and proving exactly what happened are two completely different things though, and there seems to be nothing that the police can arrest the boys for.