They Held A Stakeout
For sure, photographers were holding a stakeout and waiting for them to step out of the building. The two had conjured a complicated plan to escape. The gist of the plan was that two vehicles would act as decoy and exit through the front.
Decoys
Meanwhile, the hotel’s deputy security head would chauffeur the couple even though he had the night off. Paul would drive through a rear exit with Diana, Dodi, and their bodyguard Trevor Rees-Jones. By the time they hatched the plan, it was only a few hours before the sun started to rise on the 31st of August.