"I am quite certain he didn't."
"But how can you be certain?"
"Because I should have seen him if he had."
"But I mean when you were on the stairs."
"He was in the study when I was on the stairs."
"How do you know he was in the study?"
"Because I showed him in there and he hadn't come out."
Mr. Loram paused and took a deep breath, and his lordship flattened his eyelids.
"Is there a side gate to the premises?" the barrister resumed wearily.
"Yes. It opens into a narrow lane at the side of the house."