NCIS is a police procedural television series in America about a ficticious team of special agents from the Naval Criminal Investigative Service, which serves criminal investigations involving the U.S. Navy and Marine Corps.
CSI: Crime Scene Investigation is a crime drama television series that follows the investigations of a group of Las Vegas forensic scientists as they shed light to the circumstances causing mysterious and strange deaths and other crimes.
Cold Case is a police procedural television series depicted with a fictionalized Philadelphia Police Department division in Pennsylvania that focuses on investigating cold cases. A cold case is one that has been closed in the past for lack of evidence or other crucial reasons.
