Opening arguments in the Tupac Shakur murder trial are set to begin on Monday. ABC News legal contributor Brian Buckmire breaks down what to expect from the l

Opening arguments in the Tupac Shakur murder trial are set to begin on Monday. ABC News legal contributor Brian Buckmire breaks down what to expect from the lawyers defending Duane “Keffe D” Davis. [▻](https://video.twimg.com/ext_tw_video/2093405791864918016/pu/vid/avc1/720x1280/QRnnEbJH5rVECZzG…