A bus carrying 23 passengers from Los Angeles to Las Vegas crashes less than 40 miles from its destination, killing nine people. The CSIs soon discover that a recent parolee was on the bus, but is now unaccounted for.

Billy Mayo, Cara Buono, Christopher Caso, Denis Arndt, Eddie Jemison, Eric Matheny, Jerry Hauck, Jim Hanna, Joseph D. Reitman, Julie Mintz, Kevin Will, Kris Iyer, Lauren Hodges, Mark Lentry, Monica Garcia, Revital Krawetz, Scott Plank, Stephon Fuller, Stuart Gold