Photos | Screen captures | Season six | 620 Poppin' tags

Grissom and his team investigate the murders of three teenagers involved in a rap music rivalry.
The investigation of three teens killed while promoting a rapper's new album leads the CSI team into the world of rival rappers Jessie "Dollar" Cleveland and Hi-Def, each of whom will do anything to promote themselves and destroy the other. The CSI's suspect that Dollar's sidekick "Drops", Hi-Def's right-hand woman J-Lady, or Marcus, a Las Vegas auto dealer, may hold the key to solving the case.