Jessica Ann Collins

Alicia puts her pride and misgivings behind her and represents the son of a former friend who snubbed her as soon as news of the scandal broke out. The boy has been accused of murder. Meanwhile, Alicia sees Peter who takes a call from a prostitute while in her company.

As the FBI pursues "the man in the suit," Reese is even more determined to protect the latest person of interest after learning she is the sister of a soldier who was killed in action.

Erin becomes the subject of a personal and deadly vendetta when a reviled rapist and murderer she sent down is released from jail.

A teenage girl is sent to a psychiatric clinic when her family observes her very odd behaviour following the death of her twin sister. During a clinic group outing in town, the girl runs away and hides in Melinda's store, where her twin sister appears and blames Melinda for revealing the girl's whereabouts to clinic authorities.

A woman and her young daughter are left for dead at a household shooting. Elsewhere, a suspicious car crash kills two young men, and Grissom comes face to face with the `miniature' killer.

In the finale to the seventh season, the identity of the replica serial killer is finally revealed, but not before a member of the CSI team is placed in grave danger.