"The attempted murder of the Marquess of Sutcombe." Derrick did not start, made no exclamation, but the pallor of his face increased and he gave a little nod.

If this box had been stolen, the man who had hidden it was, in all probability, the thief--and attempted murderer.

Percy--the Marquess's own son! Confused and bewildered as he was, Derrick had sense enough left in him to feel that he must hold his tongue.
"All right," he said, very gravely.

"I should like to say----" "If you'll take my advice, you'll say nothing," broke in the Inspector, in an official manner.

"You must know as well as I do that everything you say----" "Quite so," said Derrick.