Opening Statements Begin in the Trial Over Tupac Shakur's 1996 Killing

Opening statements began in a Las Vegas courtroom in the trial of Duane 'Keefe D' Davis, the 63-year-old man prosecutors say was the 'shot caller' in the 1996 killing of Tupac Shakur. Fans lined up outside the courthouse for the start of weeks of testimony. The case revisits one of the most scrutinized unsolved killings in music history.