The CSIs race to catch a shooter when Lindsay is injured during the attempted murder of a political candidate, and the events in the aftermath lead to a child's death. Neal McDonough guest stars. The episode also features music from Green Day. (TV-14 L, V)
On Halloween night, Willis, Noa and Elliott rush to the scene of a fire at a haunted theater, where Dr. Nolan (Kathleen Rose Perkins) and her boyfriend’s son are trapped.
When a woman vacationing in Mexico with her family is the victim of foul play, the International Response Team investigates her husband as the prime suspect when he flees.