CSI: Crime Scene Investigation physical evidence to solve murders. The team is originally led by Gil Grissom (Petersen), a socially awkward forensic entomologist and career criminalist who is promoted to CSI supervisor following the death of a trainee investigator. Grissom's second-in-command, Catherine Willows (Marg Helgenberger), is a single mother with a cop's instinct. Born and raised in Las Vegas, Catherine was a stripper before being recruited into law enforcement and training as a blood-spatter specialist. Following Grissom's departure during the ninth season of the series, Catherine is promoted to supervisor. After overseeing the training of new investigator Raymond Langston (Fishburne), Willows is replaced by
Kitty (CSI: Crime Scene Investigation) attacks Avery and cuts her with his knife. Avery says her code word and he is then arrested. At the end, Avery arranges for Susan's husband to come home. As she is leaving Avery tells D.B. about a bank robbery of three cents from 80 million chequing accounts. This episode launched the third "CSI" series, "". It is written by the creators of "CSI: Miami" and "CSI: NY", and marks the first appearance of Patricia Arquette as Dr Avery Ryan. This episode was included in the Season 14 DVD. This episode is also included in "CSI: Cyber"s season 1 DVD