"He put the envelope in his pocket and went out. I heard him walking along the passage, and then I crept out from my hiding place and I also looked at the desk. I put the revolver down by my side, because I wanted both hands for the search, but I found nothing—only one little piece book that the master uses to write down from day to day all that happens to him."
"A diary?" thought Tarling. "Well, and what next?" he asked.
"I got up to search the room and tripped over a wire. It must have been the wire attached to the electric light above the desk, for the room suddenly became dark, and at that moment I heard the big man's footsteps returning and slipped out of the door. And that is all, master," said Ling Chu simply. "I went back to the roof quickly for fear I should be discovered and it should bring dishonour to you."
Tarling whistled.
"And left the pistol behind?" he said.
"That is nothing but the truth," said Ling Chu. "I have dishonoured myself in your eyes, and in my heart I am a murderer, for I went to that place to kill the man who had brought shame to me and to my honourable relation."
"And left the pistol behind?" said Tarling again. "And Milburgh found it!"