“Well, sir,” the man answered, “one was a man, and the other a woman.”
“How do you know?”
“Because the servant of the house next door told me so. The woman was the cook, and the man did the housework. She said that the house was a most mysterious one.”
“Is she there now?” my friend asked.
“No, sir. She was discharged a fortnight ago. Dishonest, I think.”
“And you don’t know where she is?”
Boyd had by this time called one of his plain-clothes men, who had obtained lamps, turning the dark slides over the flame, the station-sergeant had carefully ruled a line and written something in that remarkable register kept in every London police-station, wherein is recorded every event which transpires in the district, from a tragedy to the return of the sub-divisional inspector from his rounds, or the grooming of the horses. Then, after a short conversation with one of the second-class inspectors, we all four, accompanied by a sergeant, started for Upper Phillimore Place.
In order not to attract attention we separated. Patterson walking with me to the opposite side of the road, while the detectives walked together, and the sergeant alone. Little did the passers-by suspect when they saw Patterson and me strolling leisurely along that we were on our way to investigate what afterwards proved to be one of the strangest and most remarkable mysteries that had ever puzzled the Metropolitan Police.