The proposed resolution says Prince Mohammed was in control of security forces at the time of Khashoggi's murder and that the Senate has "a high level of confidence" that the prince was complicit in the killing.
Khashoggi was killed in October, at Saudi Arabia's consulate in Istanbul. Both had strong ties with Crown Prince Mohammed bin Salman, but were removed from their positions in October.
The UN High Commissioner for Human Rights Michelle Bachelet yesterday called for an global investigation.
Then on Wednesday, an Istanbul court issued the arrest warrants for Assiri and Qahtani on the charge of "deliberately killing (someone) with monstrous feeling or causing torment", according to state news agency Anadolu. Lindsey Graham told reporters.
USA lawmakers' unease over Saudi actions had been simmering for years as the civilian death toll in Yemen rose ever higher, but the Khashoggi killing appears to have intensified revulsion and anger toward the kingdom.
Trudeau met the Saudi prince while at the G20 summit in Argentina.
National Intelligence Organization (MİT) head Hakan Fidan held a closed-door meeting with CIA Director Gina Haspel and several U.S. Senators over Saudi journalist Jamal Khashoggi's murder, Al Jazeera reported on Thursday.
A Turkish court has issued arrest warrants for two suspects close to Saudi Crown Prince Mohammed bin Salman over the murder of journalist Jamal Khashoggi, raising pressure on the kingdom's de facto leader after two United States senators accused him of ordering the hit.
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In a statement attempting to clarify his comments later in the day, Stewart said: "We can not brush aside the murder of any journalist, and I have always said that those who are responsible for the murder of Mr. Khashoggi should be held responsible".
Republican Senator Bob Corker, chairman of the Senate Foreign Relations Committee, said he hoped to hold a hearing early next week on legislation that included a broad range of efforts to clamp down on Riyadh, including new sanctions and an end to military sales.
Sen. Rand Paul, meanwhile, went to Twitter to voice his opinion, smashing the caps lock to say "ENOUGH!" in regards to Saudi Arabia's behavior. While Saudi contributions may be important to individual research projects, they make up a sliver of the university's overall $3.3 billion annual operating budget - which would amount to an estimated $11 million - Lester said.
The Tennessee Republican added: "If he was in front of a jury, he would be convicted in 30 minutes".
"There's not a smoking gun, there's a smoking saw", Sen. Other Republicans who last week had opposed a resolution directing the president to halt USA support of the Saudi war in Yemen now suggested they might change their position after hearing what Haspel had to say in the classified briefing.
The measure also cites the initial insistence from Saudi officials that Khashoggi had left the consulate unharmed - statements that proved to be false. "Guilty. A guilty verdict", the senator said.
Kentucky Sen. Rand Paul, a critic of Saudi Arabia, said that excluding some lawmakers is "the very definition of the deep state" and that he suspected that the Trump administration is attempting to get some lawmakers to switch their votes on the resolution by giving them information.