Jam Master Jay, the DJ of the groundbreaking hip hop group Run-DMC, was fatally shot in 2002 in a case that was unsolved for nearly two decades. As a trial for his killing came to a close, his double life involving drugs that ran alongside his musical career was revealed.Jam Master Jay, the DJ of the groundbreaking hip hop group Run-DMC, was fatally shot in 2002 in a case that was unsolved for nearly two decades. As a trial for his killing came to a close, his double life involving drugs that ran alongside his musical career was revealed.