“Through that door you found locked.”
“How did you get to your rooms?”
“Along the lower hall of the wing, through the billiard-room and the back hall and through the library to—”
“Through the library?” Landis interrupted.
“Yes. If Mr. Harrison had been there we would have gone round through the swing door into the front hall. But we glanced in, saw that he wasn’t there and—”
“If you glanced in,” said Bernard, “the door from the rear hall into the library must have been open!”
“Yes. It was open.”
“Open at six-thirty,” nodded Bernard. “Was there anybody in the library when you went through?”
“I didn’t see anyone.”
“Did you happen to notice the bow at that time?”