Ex-officer accused of killing pregnant woman and staging her death as a suicide The Washington PostWhy the federal prosecution of Matthew Farewell in the Sandra Birchmore case is unusual The Boston GlobeEx-Stoughton police detective indicted in death of Sandra Birchmore NBC BostonHere’s what evidence convinced federal investigators Sandra Birchmore was killed MassLive.comCop Allegedly Groomed Teen, Later Killed Her When Pregnant Newser