Was Person X interviewed before Person Y? Did the detectives have Forensic Report A when they talked to Suspect B? Find that information and more right here.
Could the postman's brother be involved in what happened to the Izards?
Walter Hinkley biography
Investigation Day 2 — Multiple witnesses reported that Walter Hinkley was very upset about the layoffs.
Was he the kind of man who would act on those feelings and lash out against the Izard family?