Inspector Rice (The A.B.C. Murders)

In the novel The A.B.C. Murders, Inspector Rice is a police officer in Doncaster subordinate to Colonel Anderson, the chief constable of the county. After the letter "D" murder, Anderson and Inspector Crome concluded that the murderer had made a mistake (the victim's name started with "E" and not "D"). One of the witnesses, Roger Downes who sat near the victim might have been the intended target. Expecting that the murderer might try again, Inspector Rice made arrangements to have Downes's house watched.