Justin Bieber's Creepy Cameo in New CSI Promo 3.68K Matt Cherette 08/18/10 04:02PM Filed to: Csi Csi Justin bieber CBS TV promo Commercial Video Oh, joy! CBS has released an odd one-minute promo spot for the 11th season premiere of CSI, which—in case you weren't aware—guest stars tween pop sensation Justin Bieber. Come in and take a look at it, won't you?YouTube via Vulture]