The below is attributable to Spokesperson Heather Nauert:
Secretary of State Michael R. Pompeo met today with Saudi Crown Prince Mohammed bin Salman in Riyadh. The Secretary reiterated the President’s concern with respect to Jamal Khashoggi’s disappearance, as well as the President’s desire to determine what happened. The Secretary welcomed Saudi Arabia’s support of the Turkish authorities’ investigation. The Secretary and the Crown Prince agreed on the importance of a thorough, transparent, and timely investigation that provides answers. The two also discussed regional and bilateral issues.
Source: US Department of State