Tamara Clatterbuck

A star witness in a high-profile narcotics case is murdered along with his girlfriend. Despite detective insistence that the woman was an incidental victim of the crime, Patrick begins to wonder whether she was in fact the killer's primary target.

When prostitutes are murdered in Texas, their deaths seem to have religious overtones. Members of the team are put at risk throughout the course of the investigation.

The investigation in Texas reveals a deep web of corruption, and Garcia must save a friend.

When a serial killer strikes again, the CSIs dig up evidence from a prior killing in the hopes of using new technology to make a match. Meanwhile, a teenage boy is found dead in his bedroom. The police elicit a confession from his brother, only for the evidence to lead the CSIs in another direction.

Valecek finds a videotape that shatters Cross' alibi, Grasso calls a surprise witness, and Annie makes an announcement.

Jury trouble disrupts the trial, the Hoffmans explain their situation to Lizzie, and Cross rewards Appleton for her assistance.