Bob told of the letter from Maryland and of his orders to the building superintendent.
“The postmark on that letter should give us a clue to where the gang took my uncle,” he said. “There isn’t much chance of finding it, but it’s worth the time and effort.”
Waldo Edgar’s eyes brightened.
“You’re going to do, my boy. It’s things like that that count. You never can tell when even the tiniest slip of paper is going to give you the key to the case you’re working on.”
The chief agent turned to Lieutenant Gibbons.
“You’re staying on the case with Bob?” he asked.
“I’m going to try and keep up with him,” smiled the intelligence officer.
“Splendid. Then we’ll expect your uncle and the missing radio paper within the next twenty-four hours, Bob.”
Chapter XXVIII
WASTE PAPER
★
There was a real feeling of hope in Bob’s heart as he stepped out of the Department of Justice building with Lieutenant Gibbons at his side.