"Why do you ask me to do this?" I inquired.
"Because," replied Dexter, "I happen to know that Hassan has some queer kind of respect for you — I don't know why."
"Which is probably the reason why he tried to kill me to-night!"
"That's beside the question, Mr. Cavanagh. He will believe you — which is the important point."
"Very well. I have no idea what you have in mind but I am prepared to adopt any plan since I have none of my own. What shall I say?"
"Say that we are prepared to return the slipper — on conditions."
"He will probably try to shoot me as I stand at the window."
Dexter shrugged his shoulders.
"Got to risk it," he drawled.
"And what are the conditions?"