On the night of the murder, both had left the Marlow Theatre, which was near Rexton, and Juliet declined to say where they went.

It might be that both had been on the spot about the time of the commission of the crime.

Again, unless Miss Loach had admitted her assailant, he must have had a latch-key to let himself in.

From the fact that the poor woman had been found with the cards on her lap in the same position in which Susan had left her, Jennings was inclined to think that the assassin had struck the blow at once, and then had left the house at the half hour.

But how had he entered?
There did not appear to be any secret entrance, and no one could enter by the windows; nor by the door either without a latch-key.
The further Jennings examined into the matter, the more he was puzzled.
Never had he undertaken so difficult a case.