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.
Who were the Izards?
Examine the relevant case files
Investigation Day 1 — Young parents Richard and Lisa Izard were cut down in the prime of their lives. Their two small children were never found.
Did something about one or more of the people in this family lead to the parents' murders and kids' disappearances?