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"You seem to know everything, Mr. Grimm," he taunted.

"I try to know everything, your Highness," was the reply. Mr. Grimm was still standing. "I know, for instance, that one week ago the plot which had your freedom for its purpose was born; I know the contents of every letter that passed between you and Miss Thorne here, notwithstanding the invisible ink; I know that four days ago several thousand dollars was smuggled in to you concealed in a basket of fruit; I know, with that money, you bribed your way out, while Miss Thorne or one of her agents bribed the guard in front; I know that the escape was planned for to-night, and that the man who was delegated to take charge of it is now locked in my office under guard. It may interest you to know that it was I who took his place and made the escape possible. I know that much!"

"You—you—!" the prince burst out suddenly. "You aided me to escape?"

Miss Thorne was staring, staring at them with her eyes widely distended, and her red lips slightly parted.

"Why did you assist him?" she demanded.

"Details are tiresome, Miss Thorne," replied Mr. Grimm with the utmost courtesy. "There is one other thing I know—that the Latin compact will not be signed in the United States."

The prince's eyes met Miss Thorne's inquiringly, and she shook her head. The sneer was still playing about his mouth.

"Anything else of special interest that you know?" he queried.