A former gang leader is on trial in Las Vegas for the murder of Tupac Shakur, who died following a drive-by shooting on 7 September 1996.
The prosecution and defence have delivered their opening arguments as Duane "Keffe D" Davis, 63, faces one count of murder with a deadly weapon. He has pleaded not guilty.
The BBC's Shaimaa Khalil breaks down the key arguments from both sides as the long-awaited trial gets under way.
