In Tupac murder trial, the defendant is also the prosecution’s star witness

By Eric Levenson, CNN (CNN) — Duane Davis, who goes by the nickname “Keffe D,” wrote a tell-all book in 2019 laying out his role in the fatal shooting of hip-hop legend Tupac Shakur. The book, “Compton Street Legend,” opens in Las Vegas on the night of September 7, 1996, with a play-by-play account of