Khashoggi, 59, disappeared earlier this month after he entered the Saudi Consulate to obtain documents related to his upcoming marriage to a Turkish woman.
"[Trump's] rhetoric against journalists probably encouraged the Saudis to do it", Saffuri said, adding the Saudis probably thought: "Trump hates journalists and he would not react if we kill one journalist". There's something - you'll be surprised to hear me say that, there's something really awful and disgusting about that if that was the case so we're going to have to see.
But Trump, who has frequently boasted about his business ties with the kingdom, suggested during the CBS interview that ending USA arms sales to Saudi Arabia would not be an option, saying, "I don't want to hurt jobs".
Trump visited the kingdom on his first overseas trip as president and has touted USA arms sales to Saudi Arabia.
Nauert said that during Pompeo's meeting with the king, the secretary of state thanked Salman for "his commitment to supporting a thorough, transparent and timely investigation of Jamal Khashoggi's disappearance". Ankara reportedly has evidence that the dissident was murdered and dismembered inside the building by a 15-person Saudi team of assassins.
Saudi Arabia has strongly denied killing Khashoggi and has denounced such assertions as "lies", saying he left the building shortly after entering.
Late Monday, Khashoggi's family issued a statement in which they acknowledged for the first time that the journalist was no longer alive.More news: Minister Resigns Amid Flurry Of Sexual Harassment Charges
Those policies are all seen as initiatives of the crown prince.
Handshake: US President Donald Trump with and Saudi Crown Prince Mohammad bin Salman in Riyadh in May a year ago.
"Listen I am concerned", he said. "Who knows, we're going to try getting to the bottom of it very soon, but his was a flat denial".
Prince Mohammed, 33, a son of King Salman, consolidated his control in June 2017 when he was named Crown Prince to replace his cousin, Mohammed Nayef, who was sacked.
His tweet comes as Saudi Arabia has agreed to allow Turkish investigators to search the Saudi Consulate in Istanbul on Monday, 13 days after Khashoggi, a Saudi journalist, vanished upon entering the mission, three Turkish officials said.
As part of a growing worldwide backlash against the Saudi government, some prominent business leaders and companies have said they will no longer attend a high-profile investment conference scheduled to be held in Saudi Arabia later this month. Turkey said Erdogan "stressed the forming of a joint working group to probe the case".
The Saudi Arabian journalist was declared missing last week after he did not emerge from the Saudi consulate in Istanbul after 11 hours.
They include the CEO of Uber, a company in which Saudi Arabia has invested billions of dollars; billionaire Richard Branson; JPMorgan Chase & Co.