Sandra Birchmore’s Warning Was Passed to WHO?!

Sandra Birchmore’s friend called the Stoughton Police Department to report a relationship involving officer Matthew Farwell. The federal indictment alleges someone working at the department told Farwell about the call. The government has not identified that employee in the indictment, leaving an important gap in the story of how the warning was handled.

Prosecutors allege Matthew later killed Sandra and made the scene look like a suicide. He has pleaded not guilty and his defense says Sandra took her own life. Bob Motta examines how investigators should preserve complaints, identify who handled them, and separate an in...