"We're covered by guys that are working for The Shadow!"

These were three of the men who were working for The Shadow.

Only, I don't know whether he's working for The Shadow.

"You think our prisoner was working for The Shadow?"

Nick was working for The Shadow on a trial basis.

Elger's new plan of action had worked perfectly for The Shadow.

Two of them were guys that worked for The Shadow.

He believed that he would be a good man working for The Shadow.

He's just the sort of bird that would be working for The Shadow direct.

It was part of his business, because he was working for The Shadow.