Here is, according to Erdogan, how the murder plot unfolded leading up to and including the day of the murder.
Friday, September 28
11:50 am (0850 GMT): Khashoggi goes to the Saudi consulate for marriage-related paperwork. After this visit, the plan for Khashoggi's murder is put into action. Some consulate employees urgently return to Saudi Arabia for "preparatory work".
Monday, October 1
4:30 pm (1330 GMT): A three-man Saudi team arrive in Istanbul on a scheduled plane and go to their hotel after which they go to the Saudi consulate.
On the same day another team of Saudi officials from the consulate carry out a reconnaissance of Belgrade Forest in Istanbul and the northwestern province of Yalova.
Tuesday, October 2
1:45 am (2245 GMT): A second three-man team arrive on another scheduled plane in Istanbul and go to their hotel. The third team of nine men including generals arrive in Istanbul on a private plane on the same day and go to a different hotel.
9:50 am to 11:00 am (0650 to 0800 GMT): The 15 men arrive at the Saudi consulate in Istanbul separately. They then destroy the consulate's camera system's hard disc, Erdogan says.
11:50 am (0850 GMT): Khashoggi receives a telephone call confirming his appointment to finalise the marriage paperwork that day.
1:08 pm (1008 GMT): Khashoggi enters the consulate, arriving at the building with his fiancee, Hatice Cengiz who waits outside. He is never heard from by his friends or family again.
5:50 pm (1450 GMT): Cengiz contacts Turkish officials to say that Khashoggi has been held or "something bad" has happened to him. A Turkish investigation is opened into the case.
At this point, based on security camera footage, Turkish officials believe that Khashoggi has not left the building.

6:20 pm (1520 GMT): Six of the 15 Saudis leave Turkey on a private plane. The team of 15 includes security and intelligence officers as well as forensic experts.
10:50 pm (1950 GMT): Seven more of the Saudis leave Turkey on another private plane.
Post-midnight: One of the men, attempting to look like Khashoggi, and another individual leave on a scheduled plane for Riyadh.

