The Brief Duane "Keffe D" Davis' murder trial is scheduled to start on Aug. 10 for his involvement in the killing of Tupac Shakur. The man accused of orchestrating the 1996 murder of rap icon Tupac Shakur is scheduled to go on trial on Monday, Aug. 10. Duane "Keffe D" Davis' trial is happening nearly 30 years after the deadly drive-by-shooting in Las Vegas. Duane 'Keffe D' Davis trialDig deeper:Duane "Keffe D" Davis’ trial is expected to last a month, but likely won't show who pulled the trigger in the shooting. At a red light near the Las Vegas Strip, a white Cadillac pulled up beside them, and a shooting occurred.