Pompeo was in the air when a Turkish police forensics team wrapped up its hourslong search of the Saudi Consulate in Istanbul early Tuesday morning.
The disappearance of Khashoggi, last seen entering the Saudi consulate in Istanbul on October 2, has whipped up global concern, with new Crown Prince Mohammed bin Salman increasingly the focus of sharp criticism.
President Donald Trump initially made it clear that whatever the outcome of the inquiry into the disappearance of Khashoggi, the USA would not forgo billions of dollars in arms deals with Saudi Arabia.
Google Cloud CEO Diane Greene joined the increasing list of prominent USA technology and business executives distancing themselves from the Saudi Arabian government's Future Investment Initiative, an event that has been overshadowed by reports of the government's role in executing a journalist. "Nobody's seen it yet, so we do want to see it. we're going to be seeing it very soon".
Still, he said, the revenue from sales to Saudi Arabia "pales in comparison to the USA military". That would be an unprecedented breach in a decades-old, deep economic and security relationship that is key to Washington's policies in the Middle East.
On Monday, Reuters news agency reported that the top executives of three American private equity firms, Stephen Schwarzman of Blackstone; Larry Fink of BlackRock; and Stephen Pagliuca of Bain Capital are pulling out of the summit.
The New York Times, citing a person familiar with the Saudi plans, reported that Prince Mohammed bin Salman had approved an interrogation or rendition of Khashoggi back to Saudi Arabia.
Donald Trump said the Saudi leader had firmly denied knowing what had happened to Mr Khashoggi. "I've heard that report but nobody's knows if it's an official report".
An investment conference seen as a platform for the crown prince and dubbed the "Davos in the Desert" which was scheduled to take place in Riyadh next week, has been hit by a string of prominent cancellations. In statements after the call, both praised the creation of a joint Saudi-Turkish probe.
On Monday Turkish and Saudi officials began a search of the consulate.
Pointing out that Russia and China were ready to step in, he added that "no one can deny that repercussions of these sanctions will include a Russian military base in Tabuk, northwest of Saudi Arabia, in the heated four corners of Syria, Israel, Lebanon and Iraq".
The Uber investment was the PIF's first major deal in the technology start-up market, signaling its shift in strategy toward more aggressive and eye-catching foreign investments.
In recent days worldwide business leaders have announced that they are pulling out of the kingdom's upcoming investment forum.