CSI: Crime Scene Investigation
       
      CSI: Crime Scene Investigation
      Built to Kill (1) (7x1)
      
      :  21, 2006
      In part one of this two-part seventh season opener Grissom and Catherine handle the case of a women's dead body found at Cirque du Soleil by a performer. An investor at one of Sam Braun's new casinos is shot to death during a party on the rooftop. Catherine's life is in jeopardy after visiting a nightclub with Nick. Grissom finds a miniature replica of a crime scene that he is investigating.