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Marg Helgenberger's Tearful 'CSI' Goodbye

Description:Marg Helgenberger has clocked in an impressive 260 episodes as CSI's Night-Shift Assistant Supervisor Catherine Willows, but tonight Helgenberger will mark her departure from the hit CBS show, a decision the actress describes as a "very emotional" one. MORE: Elisabeth Shue Joins 'CSI' Cast "It's been a fifth of my life, and it's been quite a ride," said Marg, holding back tears. "How can I leave this? ... It's so much more than a job and that's why it has such an impact on me." (4:32)

Source: ETonline

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