CSI: Crime Scene Investigation Season 7 Episode 1

In part one of this two-part seventh season opener Grissom and Catherine handle the case of a woman's dead body found at Cirque du Soleil by a performer. Meanwhile, 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.