Former gang boss Duane "Keffe D" Davis has been found guilty of orchestrating the murder of Tupac Shakur - the first conviction in a cold case that has intrigued hip-hop fans for nearly 30 years. Shakur was 25 when he was slain at the height of his career as one of rap's most influential voices. He has sold more than 75 million records worldwide. Tap the link in @BBCNews's bio to read more about the case. #BBCNews