(CATHERINE finds a bullet. (Points to a x-ray photo.) (Quick flashback to: In the ring, LAROI STEELE takes a beating from MOLINA. Catherine: Gang member. Grissom: Nice work on that jewelry heist. Him dying was a tragedy. Los Angeles County sheriff's department found shell casings from the same gun used in a gang murder two years ago. Nick: Yeah. Warrick: Occasionally found at a boxing match. Why is this one a crime?
Plan: A: A boxing champ; Q: Who dies in the ring after taking a brutal beating from his nemesis? A: Grissom; Q: Who finds evidence that points to murder? A: a nearby parking lot; Q: Where does Catherine work a crime scene? A: Catherine; Q: Who works a crime scene where a Los Angeles gang member was gunned down? A: a rival gang; Q: Who killed a Los Angeles gang member? A: Nick; Q: Who investigates a jewelry store robbery? Summary: A boxing champ dies in the ring after taking a brutal beating from his nemesis, but Grissom finds evidence that points to murder. Outside, in a nearby parking lot, Catherine works a crime scene where a Los Angeles gang member was gunned down, apparently by a rival gang. Also, Nick investigates a jewelry-store robbery.