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
Crime scene cleanup contracted to completely remove all traces of the crime as if it never happened. In print and online, the task has been the subject of Alan Emmins' book "Mop Men: Inside the World of Crime Scene Cleaners", and in a piece on "six figure jobs" that appeared on CNN. Another book is "Aftermath, Inc.: Cleaning Up after CSI Goes Home". An extensive article on all aspects of crime scene cleanup was published in the forensic science section of "Discovery's How Stuff Works". In video games and visual media, crime scene cleanup takes center focus as the main objective in the