BOSTON —

The former Massachusetts police detective who is accused of killing a pregnant woman will be charged Friday in the death of her unborn child.

Matthew Farwell, 39, formerly a member of the Stoughton Police Department, was originally indicted in August 2024 in the death of 23-year-old Sandra Birchmore. Her body was found on Feb. 4, 2021, in her apartment in Canton. She was three months pregnant.

According to court documents, while Birchmore’s death was initially ruled a suicide, a federal investigation examined old evidence and revealed critical new evidence leading to the charges against Matthew Farwell.

Matthew Farwell's trial is scheduled to begin in one year.

In 2022, Stoughton police Chief Donna McNamara said Matthew Farwell, his twin brother, officer William Farwell, and

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