The First 48 (2004)

S8E2 Return to Sender; Death Camp

Title: Return to Sender; Death Camp Plot: In a grim turn of events, a young man is discovered lifeless in his friend's vehicle. As investigators comb through the area, they stumble upon a piece of mail that might hold the key to unraveling the mystery. The streets of Minneapolis serve as a refuge for the homeless, but a vicious murder of one of their own propels detectives into a desperate search for the perpetrator.