"Your name?" he asked finally.

"Pietro Petrozinni," was the ready reply. "As I say, I accept all
responsibility."

A few minutes later Mr. Grimm and his prisoner passed out of the
legation side by side, and strolled down the street together, in
amicable conversation. Half an hour later Señor Alvarez identified
Pietro Petrozinni as the man who shot him; and the maid servant
expressed a belief that he was the man who slammed the door in her face.




VII

THE SIGNAL


"And the original question remains unanswered," remarked Mr. Campbell.

"The original question?" repeated Mr. Grimm.

"_Where_ is Prince Benedetto d'Abruzzi, the secret envoy?" his chief
reminded him.

"I wonder!" mused the young man.

"If the Latin compact is signed in the United States--?"