Bribes
When it was all said and done, the two men did not act alone to gain access to the structures, they involved a couple of Egyptian locals as well. Some other men from the city took bribes that the two German nationals offered them and things seemed to be going smoother.
They were able to get right up close to the pyramids and even gain access finally, inside them. This was just what they wanted to do from the start. Finally, months of obsession were becoming a reality, but would they be able to reach the point that they came all this way for?