‘Sandra’s first sexual experience involved a crime’: A former Massachusetts cop goes on trial

Former Stoughton Officer Faces Federal Charges in Sandra Birchmore Death

Activelifezero.com – A former Massachusetts police officer went on trial Friday in Boston over the death of Sandra Birchmore, a 23-year-old woman whose February 2021 death was initially ruled a suicide. Federal prosecutors contend that Matthew Farwell killed Birchmore after years of exploiting a relationship that began when she was a teenager.

Birchmore was discovered in her Canton apartment on February 1, 2021. She was on her bedroom floor, with a duffel-bag strap around her neck and tied to a closet-door handle. State and local authorities initially concluded that she had taken her own life. Three years later, federal authorities brought charges against Farwell, who has denied killing her.

This article includes discussion of suicide. Anyone in immediate emotional distress or crisis in the United States can call or text 988 for the Suicide Crisis Lifeline.

Prosecutors describe a relationship marked by exploitation

Assistant US Attorney Torey B. Cummings told jurors that Farwell had been expected to serve as a mentor to Birchmore, not become involved with her sexually. Prosecutors say their first sexual encounter occurred when Birchmore was 15 and Farwell was 27.

Farwell allegedly continued the relationship for years, including encounters while he was working as a police officer. Prosecutors argue that he killed Birchmore after she became pregnant because he feared the consequences if details of the relationship became public.

“She could end his life with the information she had, so he decided to end hers first,” Cummings said.

The case centers on allegations that Farwell used his position and Birchmore’s vulnerability to control their relationship. Cummings depicted Birchmore as a young woman who admired police officers and placed trust in Farwell, only to be manipulated by someone she viewed as an authority figure.

Federal law makes it a crime for a person to engage in a sexual act with someone younger than 16 when the other person is at least four years older. The prosecution has charged Farwell with killing a witness or victim, alleging that Birchmore was killed to prevent her from potentially providing incriminating information.

Defense says Birchmore died by suicide

Farwell’s attorney, Kimberly Stevens, told the jury that the evidence will show a different explanation for Birchmore’s death. Stevens acknowledged that Farwell, who was married, had an affair with Birchmore and made serious mistakes. But she argued that those actions do not establish that he killed her.

The defense characterized Birchmore as anxious, isolated and struggling financially. Stevens said Birchmore had less than $3 in her bank account and became suicidal after Farwell ended their relationship on the night she died.

Stevens described Birchmore’s death as an “impulsive act of despair.”

The competing accounts set the central question for the jury: whether Birchmore took her own life after the breakup, as the defense maintains, or whether Farwell staged her death to appear that way, as prosecutors allege.

A death ruling later changed to undetermined

Birchmore’s relatives pushed for investigators to reexamine the original suicide finding. Family members said she had been making plans for the future and was excited about becoming a mother. Their concerns eventually led to a federal investigation and Farwell’s indictment in 2024.

In April, the medical examiner’s office changed the manner of Birchmore’s death from suicide to “undetermined.” That classification does not itself determine whether a crime occurred. Instead, it means the available medical evidence did not support a final conclusion about the manner of death.

Farwell also faces a charge connected to Birchmore’s pregnancy under a federal law intended to protect unborn children. Subsequent DNA testing excluded him as the biological father of Birchmore’s unborn baby. Prosecutors nevertheless say Farwell believed he was the father when she died, an issue likely to be important in explaining their claimed motive.

Farwell, now 40, has been decertified as a police officer and prohibited from working in Massachusetts law enforcement. He has remained jailed since his August 2024 arrest. A conviction could bring a life sentence.

Birchmore’s early connection to police

Prosecutors also outlined Birchmore’s background for the jury. Her mother experienced significant health difficulties, and her father was not part of her life, Cummings said. In 2010, Birchmore’s mother enrolled her in the Stoughton Police Department’s Explorers program, which was designed for young people in the community.

The program was intended to give Birchmore structure and access to positive adult role models. Prosecutors said she had struggled at school, had been diagnosed with ADHD and found it hard to form friendships. She was described as especially drawn to police officers and spent considerable time at the department.

In a group photograph from the Explorers program shown in court, Birchmore stood at 5 feet tall and was identified as the smallest participant. Cummings said she was “enamored” with police officers. Farwell was among the officers she trusted.

Late in 2012, when Birchmore was 15, Farwell sent her a Facebook friend request. He later began tutoring her at a local library. Prosecutors say those early interactions evolved into the inappropriate relationship at the heart of the case.

Trial expected to last about a month

The trial is taking place at the John J. Moakley Courthouse in Boston and is expected to run for roughly a month. Farwell sat at the defense table in a charcoal-gray suit between his two attorneys as the prosecution opened its case. He largely looked at a computer screen, though he occasionally turned toward the jury.

Sixteen jurors, including four alternates and six women, were seated for the proceedings. Six of Birchmore’s cousins attended the opening statements.

The presentation styles of the two sides were noticeably different. Cummings repeatedly referred to Farwell as “the defendant,” while Stevens called him “Matt” and at one point placed an arm on his shoulder. Behind those contrasting courtroom approaches is a case that will ask jurors to weigh years of personal history, disputed motives and the circumstances surrounding Birchmore’s final hours.