In the scene where Axl is dressed in the elephant costume in Wonderworld, the female worker at the fairground hands him a piece of paper with blueprints of tunnel system on it, which he cant hold, so she sticks it down the front of the costume.

He then goes on to remove the costume and climb a ladder into an air vent. Once inside the vent, he takes the same piece of paper from his back pocket of his jeans.

There is no way anyone could have put it there