His disappearance has strained relations with Washington amid strong pressure in Congress and the USA media to prevent the issue from being swept under the carpet.
Pompeo also met with Saudi Crown Prince Mohammed bin Salman, the heir to the throne whose rise to power prompted Khashoggi to enter exile in the United States.
Pompeo said he would meet with President Tayyip Erdogan in the Turkish capital Ankara, two weeks after Khashoggi vanished when he visited the Saudi consulate in Istanbul to collect documents he needed for his planned marriage.
Sen. Lindsey Graham said Tuesday on Fox News that he wants to see Saudi Crown Prince Mohammed bin Salman forced out of his position after the mysterious disappearance of activist Jamal Khashoggi.
"My hope is that we can reach conclusions that will give us a reasonable opinion as soon as possible, because the investigation is looking into many things such as toxic materials and those materials being removed by painting them over", Erdogan told reporters.
Trump offered his most robust defence of the Saudi regime during a Tuesday interview with The Associated Press, in which he linked the allegations of the Khashoggi case with the recent Brett Kavanaugh affair. The source said Turkish authorities had not asked him to leave.
"This is built into the sauce for Donald Trump, and I think people know that, and we have to keep pointing it out, it's very bad", Lemon said tonight, just hours after Trump insulted Stormy Daniels by calling her "horseface".
Man City boss Guardiola open to Serie A move
Argentina beat Iraq 4-0 on Thursday with a new-look side, taking their unbeaten run since Russian Federation to three games. Diego Maradona criticised Lionel Messi in a freakish interview in Mexico. "Let's stop making a god out of Messi ".
"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.
Graham, who described himself as Saudi Arabia's "biggest defender in the Senate, ' turned on the US ally, saying Crown Prince Mohammed - who is often referred to by his initials MBS - is a 'toxic" figure who 'has got to go'.
But there has been mounting criticism of some of the prince's moves.
Kanye West Gives Speech in Georgetown Apple Store After White House Visit
West is married to reality television star Kim Kardashian West , who pushed Trump to grant a pardon for a drug offender this year. Wearing a red "Make America Great Again" hat, he repeatedly complimented Trump , who nodded in agreement.
"My assessment from these meetings is that there is serious commitment to determine all the facts and ensure accountability, including accountability for Saudi Arabia's senior leaders or senior officials".
Turkish police did not search the Saudi consul's Istanbul residence on Tuesday, officers at the scene said, because Saudi officials were not able to join.
Turkish officials believe Khashoggi was killed and dismembered inside the consulate.
Pompeo was to have a dinner Tuesday night with Prince Mohammed and was expected to fly to Turkey on Wednesday. The consul, Mohammad al-Otaibi, left Turkey on a commercial flight bound for Saudi Arabia earlier on Tuesday. Saudi officials did not respond to requests for comment for this article.
Pogba says he doesn't need Man United captain's armband to be leader
The France global believes he is capable of being a leader at United without having the captain's armband. They gave me confidence as well.
Turkey has wanted to search the consulate for days.