"While it might be too early to evaluate the reaction of the worldwide community, these moves might be read as a serious initial signal that the Saudi leadership is course correcting", wrote Ayham Kamel, the head of Mideast and North Africa research at the Eurasia Group.
The Saudi official presented what he said were Saudi internal intelligence documents which appeared to show the initiative to bring back dissidents as well as the specific one involving Mr Khashoggi.
The Istanbul governor's office has put Cengiz, a Turkish national, under 24-hour police protection, Anadolu said.
"We are determined to uncover every stone, we are determined to find out all the facts, and we are determined to punish those who are responsible for this murder", the foreign minister told Fox.
The incident has damaged the kingdom's image as a future investment hub, with global business leaders from Goldman Sachs Group Inc.to Uber Technologies Inc. distancing themselves from Prince Mohammed and scrapping plans to attend his business forum this week. He adds Saudi officials do not know the whereabouts of Khashoggi's remains.
Saudi Arabia has presented a shifting narrative of what happened to Khashoggi.
CNN aired the footage on Monday, citing a Turkish official as describing the man as a "body double" and a member of a 15-man Saudi team sent to Istanbul to target the writer.More news: Nance Jr. staying at home
More news: Pressure on Saudis over missing Khashoggi
More news: Get behind nation's second largest breast cancer fundraiser
Saudi authorities announced that Jamal Khashoggi, a Washington Post columnist, died in the Saudi Consulate in Istanbul after a fistfight with officials there. Statements from the agency said both the king and the crown prince expressed their condolences for Khashoggi's death.
Germany and Saudi Arabia only returned their ambassadors in September after 10 months of frosty relations following criticism from Berlin of what it said was Saudi interference in Lebanese affairs.
As the investigation into the death of Jamal Khashoggi continues, Turkish police on Monday found a auto belonging to the Saudi consulate and bearing diplomatic plates in a private parking lot in Istanbul's Sultangazi district, where it had been parked for several days after the journalist's disappearance.
Last week, Saudi Arabia vowed to retaliate against any punitive measures linked to Khashoggi's fate, fueling concerns of oil price hikes.
"They made the mistake when they killed Jamal Khashoggi in the consulate and they tried to cover up for it".
Speaking late Saturday after a campaign rally in Nevada, he said he will be talking to Saudi Crown Prince Mohammed bin Salman soon.
President Donald Trump says he needs to learn more about the killing of a Saudi journalist and will be working with Congress on the USA response.
Germany is the world's fourth-largest arms exporter to Saudi Arabia, after the United States, the United Kingdom, and France, Politico reported.