The poor fellow who was killed, though his name is American enough, spoke French with a pure accent.

One of the Hungarians spoke French, fluently but vilely.

Jean de Courtois is admittedly a Frenchman.

I am not a detective, Mr.Steingall, but as a plain man of affairs I am forced to the conclusion that there has seldom been a similarly mysterious crime in which certain lines of inquiry thrust themselves more pertinently on the imagination.

To sum up, I advise you to find Jean de Courtois--unless, indeed, he, too, has been killed--and you will be in close touch with the origin of the whole ugly business." "Good egg!" cried the irresistible Devar.