Eminem took some very vicious shots at Diddy on his new album The Death of Slim Shady (Coup de grâce): Expanded Mourner’s Edition, where Em recruits Shady Records’ Westside Boogie and Grip while he delves into Hip Hop’s most reputed unsolved murders and he pulls no punches about who the culprit is. On “Fuel” Shady goes in on the troubled …