CSI: Crime Scene Investigation (season 14) is taken hostage ("The Fallen"), the team track a cannibal ("Consumed"), and Brass has to make a decision when his daughter attempts suicide ("Dead In His Tracks"). Avery Ryan, meanwhile, heads to Las Vegas to work alongside the CSI team when a casino owner's wife is killed in a cyber-related case ("Kitty"). Paul Guilfoyle, who plays Jim Brass, left the series at the end of the 14th season. Marg Helgenberger guest stars, Patricia Arquette makes her franchise debut as Avery Ryan. <onlyinclude></onlyinclude> CSI: Crime Scene Investigation (season 14) The fourteenth season of "" premiered on September 25, 2013 on CBS,
CSI: Crime Scene Investigation (season 14) 9, 2014. On March 13, 2014 it was announced that "CSI: Crime Scene Investigation" would return for a fifteenth season, which started airing in September 2014. D.B. and Finn lead the hunt for Morgan, while Brody makes a shocking discovery that endangers her own life ("The Devil and D.B. Russell"), in the fourteenth season of "CSI". Also this season the team investigate the unusual, the brutal, and the life-changing, including a casino heist ("Take the Money and Run"), a night-club fire ("Torch Song"), a contact lens discovered on a cookery show ("Last Supper"), a cold case that takes the team,