CSI: NY returns with the episode "To What End?" on January 7, 2011. Jo's ex-husband, FBI Agent Russ Josephson, shows up during the hour.
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Jo speaks to her ex-husband in this scene from CSI: NY. He's played by David James Elliott.
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David James Elliott guest stars on the episode "To What End?" He plays Jo's ex-husband.
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CSI: NY Season 7 Episode 11 Quotes

Jo, do you wear sneakers inside clown shoes?

Danny

Flack: What's our first move?
Jo: Leave the cannoli and take the gun.