Half an hour afterwards Kershaw had left his lodgings, and that was the last the unfortunate woman saw of her husband, or Mueller, the German, of his friend. "Anxiously his wife waited that night, but he did not return; the next day she seems to have spent in making purposeless and futile inquiries about the neighbourhood of Fenchurch Street; and on the 12th she went to Scotland Yard, gave what particulars she knew, and placed in the hands of the police the two letters written by Smethurst.".