Former executive story editor Tom Mularz has been promoted to co-producer on CSI: Crime Scene Investigation, I have learned exclusively. The news comes just more than a month after Christopher Barbour was also promoted. Mularz has eleven writing credits so far during his tenure on the show; his first being the Taylor Swift installment “Turn, Turn, Turn” from Season Nine. Before joining CSI, Mularz served as former CSI writer Josh Berman‘s assistant on the FOX series Vanished. His twelfth episode on the series is episode 1307 of this season, airing in November.