"CSI: Crime Scene Investigation" is a popular television series that premiered in 2000. The show follows a team of forensic experts from the Las Vegas Police Department as they investigate complex criminal cases. Each episode typically focuses on a specific crime, showcasing the scientific methods used to gather evidence and solve the mystery. The series highlights various forensic techniques, including DNA analysis, fingerprint examination, and ballistics. The team, led by characters like Gil Grissom and later Sara Sidle, works collaboratively to piece together clues and uncover the truth behind each crime, emphasizing the importance of science in law enforcement.