SEASON 7, EPISODE 712 - Suspects abound in the 1974 murder case of a private investigator after his body is found in a demolished building's cement foundation. The team finds the victim uncovered unfavorable things for -- and about -- his last few clients. Former NFL player Matthew Willig guest stars as Chuck ""French"" Jaworski, an associate of the P.I. who was brought along for added muscle during his final investigation. Plus, recurring guest star Daniel Baldwin appears as Moe Kitchener.