College courses in criminal justice teach it; police policies proclaim it; detectives and investigators are instructed in it: “The fundamental purpose of a criminal investigation is to find the truth.” This cornerstone of all law enforcement investigations reflects a principle ensuring investigators remain faithful to their oath of office and its accompanying ethical standards by only arresting and pursuing prosecution of the guilty. However, in post-conviction investigations, law enforcement’s “truth-seeking” role is, at best, confused; at worst, it undermines the truth-seeking obligation.