100 of the darkest moments in pop culture history continues and this week we look at the shooting death of 25 year old rapper Tupac Shakur. To say that 2Pac was controversial would be a huge understatement. He was controversial, talented, and had a giant impact on popular culture. He was also legit to the violent music he made. This was not the first time he was shot and he was caught in a violent battled between two music companies that didn't shy away from gunplay. Who killed 2Pac? You'll find out who and why.