William “Dub” Lawrence was a former sheriff who established and trained one of Utah’s first SWAT teams, only to watch in horror as that same unit killed his son-in-law in a controversial standoff years later. In Peace Officer, Dub, driven by an obsessive sense of mission, uses his investigative skills to uncover the truth about that incident and other officer-involved shootings in his community, while tackling larger questions about the changing face of police investigations nationwide.