Hercule Poirot, Miss Blake and others in “Unfinished Business”

Hercule Poirot

It must have seemed that there was a sort of vendetta against the mistresses of Meadowbank. But I can assure you that this was not so.

Could've fooled me.

Hercule Poirot

There have been here two murders, an attempted murder, and what appeared to be a kidnapping, but I understand from Mademoiselle Bulstrode that this kidnapping, it has already been explained to you, oui?

I said, didn't I? That whole business with the brassiere.

Hercule Poirot

All through this affair, the problem, it has been to clear out of the way all the extraneous matters which, though criminal in themselves, obscure the thread most important. The thread that leads us to a killer who is determined, ruthless, and in your midst. A cat among the pigeons.