Photos | Screen captures | Season six | 607 A bullet runs through it (Part 1)

Part 1 of two. A rookie police officer is killed during a shoot-out with four Hispanic gang members after a high-speed chase. The investigation reveals that the officer may not have been killed by a gang member, but rather by so-called friendly fire. Grissom and his crew search a crime scene that stretches for miles to determine what really happened.