On June 5th, 1968, at L.A.'s Ambassador Hotel, Robert F. Kennedy celebrated his victory in the California Democratic primary with a rousing victory speech anticipating a successful run for the presidency. Moments later, gunshots shattered that dream. The police quickly apprehended Sirhan Sirhan, who the world believed had single-handedly masterminded the shooting. But in Who Killed Bobby? Shane O'Sullivan makes a stunning case that will fundamentally...