A year after the murder of columnist Jamal Khashoggi, FRONTLINE investigates the rise of Saudi Arabia's crown prince, Mohammed bin Salman. In a two-hour documentary, Martin Smith — who has covered the Middle East for FRONTLINE for 20 years — examines the crown prince's vision for the future of Saudi Arabia, his handling of dissent and his ties to Khashoggi's killing.

The show’s own verdict is on its page.