Just remove context. Make a clown delivers the mission, and not mention any identity check procedure. If caught, he will not even know about id check to give

Just remove context. Make a clown delivers the mission, and not mention any identity check procedure. If caught, he will not even know about id check to give out. If reach destination, he may be asked something about the clown costume. Which he would never forget because of the out of placeness of the thing.