CSI: Crime Scene Investigation - Season 7 (2006)

A gang of street thugs is beating and killing people all over the city. Greg witnesses one of the crimes taking place and becomes a beating victim himself.

A lounge singer is found crucified inside a Catholic church, and the church's new pastor fails to disclose that he knows the victim from all the way back to high school.

A pedophile arsonist maintains his innocence in the disappearance of two young boys, but he is also willing to help the investigation by giving Grissom insight on the potential kidnapper's mindset.

Greg has his day in court for running over and killing a street gang member right before his own beating, and a second crime scene replica is found--this time after the murder of an elderly woman.

CSI investigates the deaths of estranged identical twins: one from a gunshot wound, and one from an apparent suicide. The two deaths do not appear to be related, but are they?

The team searches for a link between a current string of murders in Las Vegas and a notorious mob boss who disappeared in the 1970s.

Gil finds a third miniature crime-scene replica at a murder site, and CSI tries to find a link between the three otherwise-unrelated murders.

Catherine tries to link an accused killer to a second similar crime in a small town after he is found not guilty in the first trial, and Gil announces that he is going on sabbatical.

The C.S.I. team doesn't know what to make of their new member (Schreiber), who joins them in the hunt for a serial killer, active since the 1970's.

Keppler proposes that Catherine create a phony crime scene to help catch a murderer, and to keep it secret from the other investigators. However, Nick quickly figures out that something is fishy.

The discovery of a badly burned corpse uncovers a plot to illegally harvest bones and tissues, and the death of a middle-aged wife appears to be connected to her relationship with a high-priced male companion.

When one Trenton cop is murdered in Las Vegas, a second threatens to expose Keppler's past if he doesn't make the case and the evidence go away.

Grissom thinks the miniature killer is dead, until he receives another miniature crime scene. However, unlike the others, this one predicts a crime scene that hasn't happened yet.

A star high school basketball player disappears, and the investigation reveals that he gave an STD to a couple of his classmates.

Six showgirls who live together are murdered in their home, and Sara is distressed when the final victim dies in her arms. However, she may have left Sara a vital clue that could help her ultimately identify the killer.

A death in a drive-by limo shooting and the dragging death of a young woman turn out to be related crimes, and Greg discovers that the brother of the young man he ran over may have been involved.

With Grissom out of his office and all of the detectives out in the field, Hodges and the lab other techs try to discover new clues in the miniature killer case.

A washed-up boxer is found dead at a nearby bordello. There are several suspects, motives, and signs of injury. But the medical examiner is having a hard time figuring out which blow was the actual cause of death.

CSI discovers that a woman may have been murdered, and her head mounted on a wall as a trophy, because the killer was convinced that she was actually a powerful alien reptile.

After an unsuccessful attempt on Lady Heather's life, Sara discovers Gil's prior relationship with her. Meanwhile, Nick investigates the death of a woman apparently hit by a taxicab.

The miniature killer is ready to strike again, and Sara will be the next victim. Will CSI stop her in time?