A Bullet Runs Through It (2)

The CSIs sift through the overwhelming evidence from a shootout with drug dealers in order to determine who is responsible for the death of a police officer killed during the incident, on the conclusion of a two-part episode.<br> <br> When a wild police chase of drug smugglers through the streets of Las Vegas leaves an officer killed, the CSIs suspect that the cop killed in the line of duty was shot by one of his fellow officers.