Finally, neither of the Miss Pargents could throw the faintest glimmer of light upon the affair. Their brother was not the type of man to have secrets from his family. Both sisters appeared to know the inner history of every moment of his life since infancy, and insisted upon dispensing the knowledge at great length. As to his having an enemy in the world, the thing was absurd. He was a very retiring man, who lived only for his work, and had never sought adventure beyond the narrow bounds of the family circle. Inspector Whyland came away from his last interview with the sisters⁠—for Miss Margaret had been prevailed upon to come up to London⁠—convinced that it would have been impossible for the dead man to have embarked upon any clandestine enterprise without the knowledge of one or other of them.