He grinned sheepishly.
“You know I kind of was afraid to open the closet doors. Then I got on my knees and looked under the bed. The light was bad and I didn’t see anything at first. After a minute, close against the wall, I noticed something white. I reached in and pulled it out. It was a handkerchief, and it had a monogram, Mr. Graham — R. B. in purple and green.”
He paused. Graham exclaimed sharply. Bobby felt the net tighten. If that evidence was conclusive to the others, how much more so was it for him! He recalled how, after awaking in the empty house, he had searched unsuccessfully in all his pockets for his handkerchief, intending to brush the dirt from his shoes.
“I went to his room,” the detective hurried on, “and found a lot of his clothes and his stationery and his toilet ar
