Dick went to the door, then to the doors opening into the rooms on either side. Then he came back, saying in a low voice:
"Colonel, I met one of the German spies tonight. Perhaps the ring-leader. If I see him again I shall recognize him and arrest him instantly. Do you see what this is, sir?"
Dick held up the weapon that the carpenter had hurled at Private
Mock.
"It is a 45-caliber, United States Government automatic pistol," said Colonel Cleaves.
"Exactly, sir; and the spy I have mentioned had it in his possession. How he obtained it, I do not yet know, but I hope to find out. And now, sir, I will tell you what happened and what action I took."
Thereupon Captain Dick Prescott narrated the amazing adventure of the evening, winding up with:
"So, sir, I have placed Private Mock in arrest at the guard-house, and through his detention there I hope to gain the clues that shall lead us to the ferreting out and arrest of the whole crew of German spies at Camp Berry!"
CHAPTER VII
AT GRIPS WITH GERMAN SPIES
New barracks buildings continued to spring up at Camp Berry. Drafts of men for a National Army division began to arrive, besides a brigade of infantry, a regiment of field artillery and a machine-gun battalion of regulars.