“All of which means that I am the inside man for you while Tully is to serve his uncle in whatever inside capacity he can in our department,” said Bob. “I can see where there is going to be some intense rivalry.”

“Well, either Adams or myself should benefit by it,” smiled the federal agent. “Only don’t kill each other trying to dig out facts and get them to us first. Now we’d better find out what we can about the invasion here. How about your landlords?”

“They’re down in Virginia on a vacation. The only person likely to know anything about this is the janitor,” explained Bob.

“Take me down to him,” directed his uncle.

Bob looked ruefully at the room. There wasn’t a whole lot that could be salvaged, for his clothing was ruined and one of the suits had been practically new. He could see his savings account going down almost to the vanishing point.

They stepped out into the hall and Bob started to lock the door.

“Wait a minute. I want a look at that doorknob,” said his uncle. He took a small but powerful glass from his coat pocket and examined the doorknob. When he stood up he shook his head.

“Whoever opened that door was wearing gloves. That means if they were that smart there isn’t much use to check over the interior of the rooms for fingerprints.”

“Any sign of the door being forced?” asked Bob.

“No. A skeleton key must have been used. Lead on; we’ll see the janitor now.”