Who, when, why: What we know and don't know about Khashoggi's disappearance

The complex, confusing case raises a range of important questions, some with ready answers and some without

The disappearance of the Saudi dissident Jamal Khashoggi has set off a diplomatic feud between Saudi Arabia and Turkey, a bipartisan uproar in the United States Congress, tremors of uncertainty in Wall Street and Silicon Valley about how to deal with Saudi Arabia, and a noisy spat between the White House and its closest Arab ally.

On Monday morning, President Trump said on Twitter that he had just discussed the case with King Salman, who denied any knowledge of what had happened to Mr. Khashoggi, and that he was “immediately sending” Secretary of State Mike Pompeo to meet with the