"We have no comment or guidance to provide at this time," FBI spokesperson said.
On Wednesday, the Guardian reported that Bezos' telephone was hacked in 2018 after he received a message via Whatsapp from Saudi Crown Prince Mohammad Bin Salman that contained a malicious file. Saudi Arabia denied any wrongdoings and its embassy in Washington said that reports claiming otherwise were "absurd."
Later on Wednesday, US Senator Chris Murphy said in a statement that he will contact the Director of National Intelligence and the FBI director asking them to investigate if bin Salman or other Saudi officials illegally accessed Bezos’ telephone as well as the devices of other US citizens.
Khashoggi went missing in October 2018 after entering the Saudi consulate in Istanbul. Riyadh initially denied any knowledge of Khashoggi's whereabouts but eventually admitted the columnist was killed and dismembered inside the diplomatic facility.
Saudi authorities have charged 11 people in the Khashoggi murder case.
