The man in black was a Murican.

He had been expecting to force John Doe out of the dark, but he never thought about the way John Doe would show up, let alone John Doe showing up at the place he removed his disguise.

That was to say...

Their plan was performed perfectly in front of the Autranssy authorities, but in fact, it had long been seen through by John Doe.

Otherwise, John Doe would not show up ...