 A terribly violent gang wearing hoods terrorizes Las Vegas with blind violence. First a Latino man is beaten to death during a robbing, then a Jewish female tourist is kicked in hospital so she fears for permanent maiming. Yet it becomes clear that racism isn t the motive when Greg Sanders reports he s witnessing an attack on a white man, but when he tries to chase them in his jeep is attacked, dragged out and also lands in hospital. Fortunately there is plenty of physical evidence, clearly linking the attacks, which Gregs shocked CSI colleagues are now most eager to process and link to young suspects...