A test for lead. BRASS turns to GRISSOM.) Grissom: Only one? IAB Officer: At the walk-through you said that you saw a third suspect at the back of the store. IAB Officer: Can you explain the lack of evidence for a third suspect at the scene? She was brought in from the grocery store robbery. You're a police officer.
Plan: A: a grocery store; Q: Where is the robbery that turns into a shootout? A: five people; Q: How many people are killed in the grocery store shootout? A: The evidence; Q: What leads Grissom to doubt the story of the other police officer? Summary: The entire team investigates when a robbery at a grocery store turns into a shootout, leaving five people dead, one of whom is a police officer. The evidence leads Grissom to doubt the story of the other police officer at the scene.