CSI Crime Scene Investigation While Grissom leads a group of college students on a tour of CSI, the dead "speak" while the CSIs investigate, each narrating their own case: a dead casino security guard, a wife who "fell" off a cliff, and a murdered war veteran just back from Iraq. 2026-09-23 Following a spray of machine gunfire, the CSI team rises from the chaos. But when one member's life is significantly changed, it proves to be the emotional motivation they need to piece together their lives and ultimately find the shooter. 2026-09-23 The case of a cyber killer, who appears to be targeting medical healthcare workers, turns personal when the suspect invokes the name of Mac's father who had died nearly two decades earlier. 2026-09-23 A reformed drug addict with everything to live for is found dead in an alley. The CSI's discover he was the victim of a premeditated plot. 2026-09-24 The investigation of a stabbing takes a turn when its learned the evidence at the scene was planted. 2026-09-24 When a murder suspect tries to throw the CSIs off his trail by alerting the INS to Eric Delko's faked birth certificate, Eric is imprisoned. 2026-09-24