"Show him in," he said, and for the second time the colonel was ushered into the presence of the chief.
"Well, colonel," said Sir Stanley, "this is rather a dreadful business."
"Terrible, terrible!" said the colonel, shaking his head. "Solomon White was one of my best friends. I've been searching for him for weeks."
"So I've heard," said Sir Stanley dryly. "Have you any theory?"
"None whatever."
"What about this man called Raoul? Is he unknown to you?" asked Sir Stanley.
"That's what I've come to see you about, sir," said the colonel in a confidential tone. "You remember the last time I was here, you suggested that possibly the murderer of poor Gregory might be a Frenchman. You remember how you told me that these French assassins have a trick of leaving some fantastic card or sign of their handiwork?"
Sir Stanley nodded.
"Well, here you have the same thing repeated," said the colonel triumphantly, "and the identical card. Do you think, sir, that the murderer of my poor friend Gregory and my poor friend White was the same man?"