Jamal Khashoggi's disapperance has chilled relations between the U.S. and Saudi Arabia. Could the tensions spill into the economy? : Jamal Khashoggi's disapperance has chilled relations between the U.S. and Saudi Arabia. Could the tensions spill into the economy? The president has vowed "very severe" consequences if the Saudi government is found responsible for the murder of Jamal Khashoggi. He was last seen entering the Saudi consulate in Istanbul. USA TODAY Saudi Arabia is the 10th-biggest foreign owner of U.S. Treasurys, with holdings of $169.5 billion, according to U.S. government data.