Jam Master Jay’s business partner grabbed weapon to hunt down gunman

Jam-Master Jay at New York’s Madison Square in 1986 (G Paul Burnett/AP)

Jam Master Jay’s business partner said when he saw the Run-DMC star had been shot in his recording studio, he grabbed a gun and went to look for whoever had done it.

Randy Allen told the murder trial over the DJ’s October 2002 death he was in the studio’s control room and heard two shots in the adjacent lounge area, but did not see the attacker or attackers.