“Probably Dr. Burton gave her a hypodermic injection of some kind.”
“Oh, very likely. But he wouldn’t give her about forty.”
“The cocaine habit,” suggested Tommy helpfully.
“I thought of that,” said Tuppence, “but her eyes were all right. You would see at once if it was cocaine or morphia. Besides she doesn’t look that sort of old lady.”
“Most respectable and God fearing,” agreed Tommy.
“It is all very difficult,” said Tuppence. “We have talked and talked and we don’t seem any nearer now than we were. Don’t let’s forget to call at the doctor’s on our way home.”
The doctor’s door was opened by a lanky boy of about fifteen.
“ Mr. Blunt?” he