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.
Did the people across the street see that dark SUV outside the Fines' place?
Examine the relevant case files
Investigation Day 5 — Detectives Armstrong and Murphy talked to a group of people who regularly congregate in the parking lot of the Oxford Chalet apartments, which are across the street from Andy & Cindy Fine's residence.