Bouachrine has said that his phone "contains messages from Jamal Khashoggi warning him of existing threats against him"
The US Central Intelligence Agency believes the crown prince ordered the killing, which Saudi officials deny
The children of murdered Saudi journalist Jamal Khashoggi have received multimillion-dollar homes and are being paid thousands of dollars per month by the kingdom's authorities
MbS had warned in an intercepted conversation to an aide in 2017 that he would go after Khashoggi "with a bullet" if he did not return to Saudi Arabia
Khashoggi, a regime critic, was killed on October 2 at the consulate by a Saudi hit squad which Ankara says was sent from Riyadh for the murder
One panel on press freedom in Davos discussed the murder of Khashoggi but no Saudi officials were seen attending it.