Every effort should be made to find the secretary, Stangerson, and to ascertain some particulars of the habits of the deceased.

A great step had been gained by the discovery of the address of the house at which he had boarded--a result which was entirely due to the acuteness and energy of Mr.Gregson of Scotland Yard.
Sherlock Holmes and I read these notices over together at breakfast, and they appeared to afford him considerable amusement.
"I told you that, whatever happened, Lestrade and Gregson would be sure to score." "That depends on how it turns out." "Oh, bless you, it doesn't matter in the least.

If the man is caught, it will be _on account_ of their exertions; if he escapes, it will be _in spite_ of their exertions.

It's heads I win and tails you lose.

Whatever they do, they will have followers.