The team investigates an ex-detective who is currently in the final stages of his battle with cancer. Is he trying to clear up some unfinished business?
When a high-spec weapon is used to murder a captain, the team searches for an arms dealer who has gathered his stock from military sources.
The CSIs attempt to solve a string of murders connected to a cache of stolen casino chips. Will Ray have to use deadly force?
The scene of a car crash presents the CSIs with three casualties and a human brain that doesn’t belong to any of the victims.