He is after the secretary Stangerson, who had no more to do with the crime than the babe unborn.

I have no doubt that he has caught him by this time." The idea tickled Gregson so much that he laughed until he choked.
"And how did you get your clue ?" "Ah, I'll tell you all about it.

Of course, Doctor Watson, this is strictly between ourselves.

The first difficulty which we had to contend with was the finding of this American's antecedents.

Some people would have waited until their advertisements were answered, or until parties came forward and volunteered information.