Davis wrote that he got a gun, hopped in a Cadillac with three others, and drove around looking for the pair. Still, some details were revealed in Greg Kading’s 2011 book “Murder Rap,” and portions of it were later played in documentaries. “Tupac made an erratic move and began to reach down beneath his seat,” Davis wrote. After writing the book, Davis spoke in media interviews, including with VladTV, in which he encouraged people to buy the book. He is listed on the prosecution’s witness list, but he previously told TMZ he would not testify in the trial.