[5] He was married to King Abdullah's daughter,[2] Princess Noura who died in 1990 in a car accident[2] near Riyadh airport.
[5] He was lured to a meeting in Geneva where he was drugged before being flown back to the Kingdom and was kept under house arrest in Riyadh.
The aircraft arrived at Geneva Airport a few days before the kidnapping operation, and was in a constant state of readiness.
Another aircraft was sent to carry the personal effects, papers, files and documents of Prince Sultan, which were later confiscated from the hotel where he had been staying and taken to Riyadh.
[9][10] His kidnappings were described as one of many disappearances of members of the Saudi Royal family who have criticized the government or called for regime change.