Holmes convinces Lestrade to let him escape, promising Lestrade the credit when he solves Drebber's murder. Holmes reveals to Watson the evidence he stole, a wedding ring engraved with the name Lucy. To tempt the mastermind, Holmes places a newspaper advert seeking the ring's owner. In response, William sends Fred disguised as an old woman. Fred claims the ring then escapes before Holmes can catch him. Holmes reveals to Watson inside a hansom cab he solved Drebber's murder. Drebber was suspected of raping lower class women then bribing them...