Marg Helgenberger Upcoming Appearances

Two boys are reported missing and a pedophile who lives in their neighborhood becomes the primary suspect after he is injured in a house fire, apparently set by a local seeking revenge for the boys disappearance.

Identical twin sisters who apparently didn t know of each other s existence are murdered on the same night. One is gunned down outside of a dry cleaners and the other one is hung with a dog leash inside her home.

Grissom investigates when a worker at a poultry processing plant is found dead in a stun bath used to electrocute chickens before they are slaughtered. Nearby, a miniature replica of the crime scene is discovered.

Catherine investigates the murder of a runaway teen whose naked body is found in a desert lot behind a hotel. Helping with the case is Mike Keppler (Liev Schreiber), an experienced CSI from Baltimore who is the newest hire on the day shift.

The ninth season opens with Grissom and his team shocked to learn that Warrick has been shot. They immediately begin to investigate the crime and learn a stunning secret about their colleague. When Sara hears the news, she returns to the lab to help.

The charred body of an ex-con who was recently released from prison is found in a burned welding shack. The investigation reveals the victim s body was raided for bones, veins, tendons and other tissues.

Keppler is put into a compromising position when the bodies of a Trenton police officer and a hooker are found in a hotel room. The man who found them is a retired New Jersey cop and close friend to Keppler, who doesn t reveal their relationship.

Grissom is shocked when he opens a package sent to him through the mail and finds a miniature crime scene inside. The discovery is all the more baffling since the serial killer responsible for other similar miniatures is now dead.

Keppler is put into a compromising position when the bodies of a Trenton police officer and a hooker are found in a hotel room. The man who found them is a retired New Jersey cop and close friend to Keppler, who doesn t reveal their relationship.

Six showgirls are murdered in their rented house and Sara is haunted by the dying words of the last victim. The investigation reveals the women s necks were slashed with a knife and that Warrick believes he knows one of the victims.

A popular high-school basketball player and his cheerleader girlfriend disappear after a big Friday-night game. Blood is found near a field house where the two hooked up after the contest and where things apparently got out of control.

Hodges convinces fellow lab rats Archie, Henry, Mandy and Wendy that Grissom wants them to secretly investigate the so-called miniature murders while the CSIs are in the field probing other crimes.

Greg learns that the brother of the man he killed in self-defense months earlier is connected to the shooting death of a thug in a limousine.

A blackjack dealer is murdered and several of the suspects belong to a strange UFO club whose members believe that shape-shifting aliens have mated with humans in order to conquer the human race. Shannon: Ally Sheedy. DeVere: Enrico Colantoni.

The murder of a washed-up boxer who lived and trained in a brothel, and was detested by the prostitutes residing there, is investigated. Milton: James Whitmore.

A hypnotist becomes the prime suspect in a murder case after she uses her expertise to rob banks and someone is killed during one of the heists. Jorja Fox reprises her role as Sara Sidle.

The suspicious death of a go-kart racer who is killed while riding on a highway is investigated; and a murder at a restaurant where patrons dine in the dark is probed.

Grissom investigates when a sadistic client tries to murder Lady Heather (Melinda Clarke) during a late-night rendezvous at an old West theme park. The probe is made more difficult when Heather refuses to name her attacker.