About CSI: Crime Scene Investigation Season 9, Episode 14 :

While Langston testifies in the trial of a respected Congressman, new evidence sends the CSIs back to the lab to reopen the investigation. Guest Stars: Laurence Fishburne, Jon Wellner, David Berman, Vanessa Bell Calloway, Clayne Crawford, Christa B. Allen, Melinda McGraw, Miguel Ferrer, Kathleen York, Amy Stewart, Josie DiVincenzo, Elizabeth Chomko, Natasha McCrea, Graciella Evelina Martinez, David Starzyk, Steve Kazee, Clayne Crawford, Lauren Lee Smith, Rick Worthy, Larry Mitchell,