US senators said a classified briefing from the Central Intelligence Agency convinced them that Saudi Crown Prince Mohammed bin Salman played a role in dissident columnist Jamal Khashoggi's dismemberment, with one describing the evidence as "a smoking saw".
"We have three different efforts underway, all of which have a lot of momentum", Corker (Republican from Tennessee), said after meeting with other senators to negotiate on Thursday.
The ambassador is the brother of Saudi Crown Prince Mohammed bin Salman, whose alleged role in ordering the murder is at the heart of a burning controversy in the U.S. and across the world.
"I talked directly to the prince in Buenos Aires, telling him that we need better answers on what happened to Khashoggi and who is responsible for it", he said.
"Mohammed bin Salman accountable for contributing to the humanitarian crisis in Yemen, the blockade of Qatar, the jailing of political dissidents within Saudi Arabia, the use of force to intimidate rivals, and the abhorrent and unjustified killing of journalist Jamal Khashoggi", the release said.
He was one of 37 Republicans who voted against advancing a nonbinding resolution last week to end US support for the Saudi-led military campaign in Yemen. "One is support for Saudi Arabia in their war involving Iran and their activities in Yemen".
The move came a day after CIA Director Gina Haspel briefed a small group of senators on Khashoggi's murder following an outcry from lawmakers over her absence last week during a Senate briefing on Yemen that was attended by Secretary of State Mike Pompeo and National Security Adviser John Bolton.More news: Surveillance video appears to show children being dropped over border wall
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MIT president Rafael Reif asked for a review of the university's relationships with the longtime USA ally after the killing of Jamal Khashoggi.
U.S. intelligence community assessments and experts said it's unlikely the killing could have happened without the crown prince's knowledge.
Senators have demanded the White House be more forthcoming about intelligence gathered on the Khashoggi killing and have signaled they may back broader sanctions against the kingdom.
Bob Menendez, the top Democrat on the Senate Foreign Relations Committee.
Some senators are undeterred and want the chamber to go on record with a clear message to Riyadh, however symbolic it may be. The kingdom has insisted that the killing was a rogue operation in which Crown Prince Mohammed bin Salman was not involved.
"There's not a smoking gun, there's a smoking saw", Graham said, referring to the way in which the reporter was believed to have been murdered. If he was in front of a jury he would be convicted in 30 minutes.
Anyone who looked at the evidence would have to be "willfully blind" not to reach the conclusion that the killing was "orchestrated and organized by people under the command of MBS", as Salman is known, Graham said. "I just don't know what it is going to be or who will be implicated, but we will follow it as far as we can".