Here’s a case for the CSIs: Can a new private investigator  — played by Mark Valley — get the drop on Finlay’s heart?

Valley (Fringe, Body of Proof) will recur on the CBS prodcedural as a former detective/current P.I. who teams with Elisabeth Shue’s character when his partner goes missing, EW.com reports.

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Though the two don’t get along swimmingly from the start, they do feel a strong attraction.

Valley’s other credits include Human Target, Crisis and Harry’s Law.

CSI returns Sunday, Sept. 28, at 10/9c.