Farwell Trial: Witnesses Clash Over Suicide vs. Murder in Birchmore Case

Key points

• Testimony began Tuesday in the trial of Matthew Farwell, a former Stoughton, Massachusetts police officer accused of killing Sandra Birchmore.
• Prosecutors allege Farwell groomed Birchmore, who was 13 when they met, and had sex with her when she was 15 and he was 27.
• Birchmore was found dead in her Canton apartment on February 1, 2021, with a duffel bag strap around her neck; authorities initially ruled it a suicide.
• Federal prosecutors argue Farwell strangled Birchmore to stop her from exposing their secret relationship, as she was pregnant and threatened to tell his wife.
• The defense argues Birchmore died by suicide after Farwell broke up with her, citing her mental health struggles and financial instability.
• Witnesses, including Birchmore’s employer and a police detective, testified that Birchmore was excited about her pregnancy and showed no signs of suicidal intent.

Background

The trial of Matthew Farwell, a former Stoughton police officer, began in October 2026. Farwell is accused of killing Sandra Birchmore, a 23-year-old woman, in February 2021. Birchmore was found dead in her Canton apartment, and authorities initially ruled her death a suicide. However, federal prosecutors took up the case three years later, alleging that Farwell strangled Birchmore to prevent her from exposing a sexual relationship that began when she was a minor. Farwell has pleaded not guilty to charges of killing a witness and an unborn child. The trial is expected to last about five weeks, with 16 jurors seated in the John J. Moakley Courthouse in Boston.

How outlets are covering it

CBS News and CNN both report that prosecutors allege Farwell groomed Birchmore and killed her to prevent her from exposing their relationship. CNN emphasizes the defense’s argument that Birchmore died by suicide after Farwell broke up with her, citing her mental health struggles and financial instability. The Boston Herald highlights the accidental display of a graphic crime scene photo during the trial, which stunned the courtroom. All sources agree that witnesses testified Birchmore was excited about her pregnancy and showed no signs of suicidal intent, contradicting the initial suicide ruling. The sources differ in emphasis: CBS News focuses on the testimony of witnesses, CNN highlights the clash between prosecution and defense, and the Boston Herald focuses on the accidental display of the graphic photo.

Why it matters

The trial of Matthew Farwell highlights the serious consequences of police misconduct and the importance of thorough investigations in cases involving vulnerable individuals. The case also raises questions about the initial ruling of Birchmore’s death as a suicide and the role of federal prosecutors in taking up cases that local authorities may have dismissed. The outcome of the trial could have significant implications for Farwell’s future and for the families of Birchmore and Farwell.

What to watch

The trial is expected to continue with more testimony from witnesses, including Leslie Davis, a friend of Birchmore’s, Stoughton Police Sgt. Robert Kuhn, and former Stoughton Police Chief Donna McNamara. The jury will also hear from other witnesses and review more evidence, including surveillance footage and crime scene photos. The trial is expected to last about five weeks, with a verdict expected at the end of the trial.