To Halve and to Hold

After a human bone is found in the desert by a dog playing fetch with its owner, Gil and Catherine have to search across a large area for clues about the body, which leads to an identification. When his wife is approached, she insists that her husband is away at a local store. Warrick and Sara, at the same time, investigate the death of a male stripper who was working a bachlorette party that appears to have gotten way out of hand. Clues point to a bridesmaid as the culprit.