CSI - Crime Scene Investigation is an American drama was created by Anthony E. Zuiker. The series follows Las Vegas criminalists working for the Las Vegas Police Department as they use physical evidence to solve murders. Two couples meet in a bar and one of the couples is murdered. When a second couple is murdered in a similar fashion the team suspects a pair of serial killers are on the loose. The case is complicated by leaks to the press and a judge reluctant to issue a warrant. Catherine gets some troubling news about her father';s murder trial.