"You ought to stop that sniper on the roof. He took two shots at me as I came up the street."
"What infernal work is going on here?" Ensign Dave Darrin asked himself, hoarsely. "I how that voice. I'd know it anywhere. That's Cantor speaking, and he's in the house of the enemy!"
CHAPTER XIX
A TRAITOR IN THE SERVICE
Crack! spoke a rifle across the street.
"I got him, sir!" cried the exultant voice of Riley. "But I'll make sure of him, sir!"
Crack! The Navy rifle spoke once more.
Noiselessly Darrin darted across the street.
On the roof of the house in which Dave had seen the bandit, Cosetta, the previous day, lay a man, his head and shoulders hanging over the edge.
"Speak softly," cautioned Darrin. "I don't want those men inside the house to hear you."