Tupac Shakur murder suspect Duane “Keefe D” Davis isn’t worried Suge Knight will finger him in an upcoming memoir as being involved in the shooting death of the rap legend. Knight, who is currently serving a 28-year sentence from a fatal hit-and-run in 2015, is set to release his “Your Pain is My Joy” memoir on August 4. Knight has promised to reveal intricate details in the book about the night Shakur was murdered . The memoir’s August release date is less than a week before Davis’s trial for