How Tupac and Biggie went from friends to rivals before the murder

A Las Vegas jury found Duane "Keffe D" Davis guilty of orchestrating the 1996 murder of rap icon Tupac Shakur. The article traces the arc from friendship to bitter rivalry between Tupac and Biggie Smalls that preceded hip-hop's most infamous killings. Both rappers were shot dead within months of each other in drive-by shootings that remained unsolved for decades.