Of even date, from Antwerp, it read:

"Underworld—Paris—Greggs arrested today boarding steamer for America after desperate struggle killed himself immediately afterward poison no confession—Q-2."

"Underworld?" Lanyard queried blankly.

"Our telegraphic address, of course. 'Q-2' is our chief factor in
Antwerp."

"So they got Greggs!"

"Stupid oaf," Wertheimer observed; "I've no sympathy for him. The whole affair was a blunder, from first to last."

"But you got Greggs out and burned Troyon's—!"

"Still our friends at the Préfecture weren't satisfied. Something must have roused their suspicions."

"You don't know what?"

"There must have been a leak somewhere—"