"I could," said Katherine, "but at the moment I see no reason to do so."
In somewhat British fashion she felt annoyed. This foreign official seemed to her impertinent.
"No reason?" cried the Commissary. "Oh yes, Madame, I can assure you that there is a reason."
"Then perhaps you will give it to me."
The Commissary rubbed his chin thoughtfully for a minute or two without speaking.
"Madame," he said at last, "the reason is very simple. The lady in question was found dead in her compartment this morning."
"Dead!" gasped Katherine. "What was it—heart failure?"
"No," said the Commissary in a reflective, dreamy voice. "No—she was murdered."
"Murdered!" cried Katherine.
"So you see, Madame, why we are anxious for any information we can possibly get."
"But surely her maid"
"The maid has disappeared."
"Oh!" Katherine paused to assemble her thoughts.
"Since the conductor had seen you talking with her in her compartment, he quite naturally reported the fact to the police, and that is why, Madame, we have detained you, in the hope of gaining some information."
"I am very sorry," said Katherine; "I don't even know her name."
"Her name is Kettering. That we know from her passport and from the labels on her luggage. If we "
