Rapper dobbed in by nerdy guard Posted byadmin May 21, 2013 Rapper Chief Keef, whose name is Keith Cozart, has been arrested after being dobbed in by a hotel security guard. Celebrity site TMZ published the recording of the tape featuring what they call Related posts: Deportation of accused Nazi guard possibly back on Shooting at Holocaust Museum injures guard, suspect Rapper T.I. to be sentenced to prison Friday Rapper T.I. gives farewell concert before going to prison Report: Rapper T.I. reports to Arkansas prison