Within an Inch of His Life by Emile Gaboriau

Yes, the step taken by the Misses Lavarande was foolish. At the point which things had reached now, their going to see M. Galpin was perhaps equivalent to furnishing him the means to crush Jacques. But whose fault was it, but M. de Chandore's and M. Folgat's? Had they not committed an unpardonable blunder in leaving Sauveterre without any other precaution than to send word through M. Seneschal's servant, that they would be back for dinner, and that they need not be troubled about them?

Not be troubled? And that to the Marchioness de Boiscoran and Dionysia, to Jacques's mother and Jacques's betrothed.