Citing Saudi and American officials, the WSJ reported that the Saudi government has so far resisted attempts by Washington to pressure it to hold Qahtani accountable.
"What I tell people is wait until the legal process plays out and then judge us", al-Jubeir told CBS.
The Trump administration has faced anger and condemnation both at home and overseas over its unwillingness to apply pressure on Saudi leaders to properly investigate what happened to Khashoggi and hold those responsible for his murder accountable.
The dissident journalist was dismembered after his murder on October 2 in the Saudi consulate in Istanbul but his remains have yet to be found. Riyadh denies its senior leaders were behind the killing.
The incident was blamed on lower-level officials.
Jubeir said the public prosecutor responsible for the case had sought evidence from Turkey but had received no response.
Ankara has used every means available to bring those responsible to justice, maintaining global pressure.
Saudi officials have not publicly released the names of any of the people they say have been charged, or are being investigated in relation to Khashoggi's murder.
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As a result, Saudi Arabia announced $6 billion rescue package for Pakistan including $3 billion in foreign currency support for a year to overcome its balance of payment crisis and another $3 billion for one year in deferred payments for oil imports.
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This will be Prince Mohammed s first-ever visit to Pakistan as the crown prince. He insisted the crown prince had no role in the slaying - that it was a "rogue operation" with no official backing.
That same day, the Trump administration failed to turn in its report on the Khashoggi killing to Congress, provoking anger among lawmakers.
Meanwhile, a former top aide to whom MBS told he would use "a bullet" on Khashoggi has been appointed the kingdom's ambassador to the United Arab Emirates.
Mr. Al Jubeir called US criticism of Saudi leadership "a red line".
Lindsey Graham of SC, introduced legislation Friday that would bar certain arms sales to Riyadh in response to Khashoggi's slaying last October by Saudi operatives, and its role in Yemen's civil war.