Lucius Reeve is a sinister man to whom Theo sells a fraudulent antique. This bad sale becomes an excuse for Reeve to intimidate Theo. It emerges that Reeve knows that Theo took The Goldfinch and wants to blackmail him into selling it to him. Ultimately, Hobie reveals that Reeve is a crook who, along with Havistock Irving, used to steal art, antiques, and other valuable objects from elderly people. Hobie turned the men into the police, causing Reeve to be sent to prison.