Mohammed bin Salman steps foot in the U.S. for the first time since Saudi critic Jamal Khashoggi's 2018 murder that caused global outrage.
He posted the phrase "the countdown has started" to his social media accounts on Sept. 11, 2019, investigators said.
Law enforcement officials briefed on the case identified the Pensacola shooter to ABC News as Mohammed Alshamrani.
Fort Bragg soldiers will be headed to Saudi Arabia as part of a response to an attack in the country.
The Pentagon says the U.S. will deploy more troops to Saudi Arabia and the United Arab Emirates after attack on oil facilities.
The title names the person with the most influence, good or bad, on the year's events.