"I'm not giving cover at all", Trump told reporters on Wednesday.
"This guy is a wrecking ball, he had this guy murdered in a consulate in Turkey, and to expect me to ignore it, I feel used and abused", Graham said on "Fox and Friends".
But Pompeo declared he did not want "to talk about any of the facts", while President Donald Trump said innocence must be presumed, drawing a parallel with his US Supreme Court judge nominee who faced sexual assault accusations. Reports immediately surfaced that the journalist had likely been killed inside the consulate by Saudi officials who flew in from Riyadh that day.
Khalil Jahshan with the Arab Centre Washington D.C. says investigators have been leaking disturbing evidence to try and force the Saudis to admit they were involved.
A team of 15 Saudi agents, some with ties to Crown Prince Mohammed bin Salman, was waiting for Khashoggi inside the Saudi consulate the moment he arrived, at about 1:15 p.m. on October 2.
In Riyadh on Tuesday, Trump's top envoy was all smiles and laughter in a meeting with 33-year-old Crown Prince Mohammed bin Salman over Khashoggi's disappearance.
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Trump also said that if a solution is not found, it could upend the new trade deal negotiated between Mexico and the United States.
In that case, he said, "I think we'll also be guided by what other countries are doing".
Global leaders and business executives are severing or rethinking ties to the Saudi government after Khashoggi's high-profile disappearance.
Suleyman Soylu, the Turkish interior minister, told Anadolu Agency on Wednesday said there must be a "joint consensus" in order for the search at the residence of the Saudi consul general to go ahead.
Trump said he planned to see Pompeo either Wednesday night or Thursday morning to get a readout of his meetings with the Saudis and Turks.
Saudi officials have called the allegations "baseless", but multiple media outlets reported Monday that the Saudi government has considered saying rogue intelligence operatives murdered Khashoggi by mistake inside the kingdom's consulate in Istanbul earlier this month during an interrogation that went wrong.
What happened to Jamal Khashoggi?
Saudi officials have strongly denied any involvement in Khashoggi's disappearance and say that he left the consulate soon after arriving.
Radio Sputnik's Loud and Clear spoke about the development of the affair with Thomas Lippmann, an award-winning journalist and author who has written about Middle Eastern affairs and United States foreign policy for more than 40 years, specializing in Saudi issues.
At the same time tensions are strained between the United States and Saudi Arabia over a journalist who may have been killed, a warning is going out for the U.S.to tread carefully on the world stage. Not a positive. Unless the miracle of all miracles happens, I would acknowledge that he's dead. "There was a time when journalists believed the Internet would liberate information from the censorship and control associated with print media".