Trump said he "told me that he has already started, and will rapidly expand, a full and complete investigation into this matter. Answers will be forthcoming shortly". Turkey fears Khashoggi was killed and dismembered at the consulate. Lindsey Graham of SC, turning to speak to the camera. "I think there needs to be a full-fledged global investigation, and it appears to me that the Saudi story, even in the last 24 hours, has been changing to where they may be acknowledging that the journalist Khashoggi was murdered, but somehow presenting the notion that it was rogue elements". The case has put Saudi Arabia under pressure from close allies.
"The Saudi government can no longer remain silent, and it is essential that our own government and others push harder for the truth", Ryan added.
A Turkish security source said the search of the consulate provided "strong evidence" but no conclusive proof that Khashoggi was killed there.
Police planned a second search at the Saudi consul's home nearby.
Consul General Mohammed al-Otaibi left Turkey Tuesday afternoon, state media reported, just as police began putting up barricades around his official residence. Under the Vienna Convention, diplomatic posts are technically foreign soil that must be protected and respected by host countries.
"I've got to say, you know, this was supposed to be a new Saudi government that was going to be reforming - opening up - transparency - moderating Islam - and to see something like this could be a real setback, " he said.
Turkey had wanted to search the consulate for days.
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Earlier Tuesday, Turkish President Recep Tayyip Erdogan suggested investigators were looking into possibility that evidence of toxic materials had been concealed.
Graham's remarks come as U.S. Secretary of State Mike Pompeo landed Tuesday in Saudi Arabia to meet with King Salman over the disappearance of Khashoggi. The former Central Intelligence Agency chief didn't make any remarks to the media.
REUTERS/Leah Millis/PoolMike Pompeo met with the Saudi Crown Prince Mohammed bin Salman during his visits in Riyadh.
Pompeo is due to travel to Turkey on Wednesday.
Probe was ordered following an outcry with Britain, France and Germany among other countries releasing a rare joint statement saying that they were taking Khashoggi's disappearance "with the utmost seriousness" and calling for a "credible investigation". The U.S. president has been after King Salman and OPEC to boost production to drive down high oil prices, caused in part by the coming re-imposition of oil sanctions on Iran.
Trump speculated on Monday that "rogue killers" could be behind the disappearance, but gave no evidence to back up that theory.
Daniels' defamation lawsuit against Trump, who she allegedly hooked up with during a golf tournament in Lake Tahoe, California, in 2006, was thrown out by a judge this week, and the POTUS wasted no time in commenting on the whole thing.
CNN reported on Monday that after denying for two weeks any role in Khashoggi's disappearance, Saudi Arabia was preparing to say he died in a botched interrogation.