President and crown prince were both pressed on 2018 murder of Jamal Khashoggi by Saudi agents and protests of 9/11 victim families

It will be the first trip by Crown Prince Mohammed bin Salman to the US since the 2018 killing of Saudi critic Jamal Khashoggi by Saudi agents in Istanbul.

The trip follows Trump's visit to Saudi Arabia in May in which the kingdom made a $600 billion trade and investment commitment to the U.S.