Crime Mob is a rap group consisting of five members, M.I.G., Cyco Black, Diamond, and siblings Lil' Jay and Princess. They are best known for their 2004 chart topping single "Knuck If You Buck" and their current single "Rock Yo Hips" from the upcoming album, Hated On Mostly. The video for "Rock Yo Hips" depicts a fictional Crime Mob College, set to resemble an historically black college.