Mark Dobies

A woman who was just about to sign her divorce papers is found shot to death with a nail gun in her soon-to-be ex-husband's new home. Suspicion falls on her ex-husband and his new fiancée; however, when Ryan begins to follow the evidence, he is shot in the eye with a nail gun. Now, as one of their own lies wounded, the team must find out who killed the woman and who may have ended Wolfe's career as a CSI.

After a teenage girl is pronounced brain dead, her mother takes her off life support, but when doctors operate quickly to remove her organs, the deceased girl shockingly awakens screaming an alphanumeric code. Equally as perplexing as her resurrection is that she is now somehow able to speak Russian and possesses classified information only a high-ranking soldier would know. While the girl's mind-bending condition intensifies, Walter dusts off some old lab videos and hypothesizes the unthinkable, sending Olivia and Peter to investigate the bewildering case in an original. (This is a season 1 un-aired episode)

Goren and Eames investigate the suspicious suicide of a successful Wall Street banker.