Duxbury Mom’s Murder Trial Opens with a Focus on Post‑partum Mental Health

On a brisk Monday morning the doors of Plymouth Superior Court swung open for what many are calling one of the most emotionally charged criminal cases of the year. Lindsay Clancy, a former labor‑and‑delivery nurse from Duxbury, Massachusetts, stands accused of strangling her three children — five‑year‑old Cora, three‑year‑old Dawson, and eight‑month‑old Callan — in the basement of the family home in January 2023.

The courtroom buzz is palpable, not just because of the gruesome nature of the crime, but because the defense has signaled that they won’t argue that the murders didn’t happen. Instead, they intend to tell jurors that Clancy was in a state of psychosis, a product of severe postpartum depression exacerbated by a cocktail of more than a dozen psychiatric medications.

Kevin Reddington, the attorney representing Clancy, told reporters he plans to pursue a classic insanity defense. “She was not in control of her actions,” he said, gesturing toward the stack of medical records that will soon be examined by the jury. “The drugs that were meant to help her may have actually pushed her over the edge.”

Legal pundits, however, warn that jurors historically shy away from insanity pleas, especially in cases involving the deaths of very young children. “It’s a hard pill to swallow,” said Ryan Sullivan, a criminal defense lawyer not involved in the case. “The defense is essentially asking the jury to say, ‘She did it, but she’s not responsible.’ That’s a tough sell.”

After the killings, investigators say Clancy tried to take her own life — slashing her wrists, cutting her throat, and jumping from a second‑story window. She survived but was left paralyzed from the waist down and is now confined to Tewksbury Hospital, a state facility for those with mental and physical illnesses. Even if the insanity defense is successful, she would remain under state custody for ongoing treatment and periodic review.

The trial, projected to run for about a month, will hear testimony from nearly 200 witnesses. That list includes her husband, Patrick Clancy; a parade of doctors, nurses, and psychiatrists; and first responders who arrived at the scene. Jury selection alone could take several days as the court tries to seat 18 jurors plus six alternates who can navigate the murky waters of mental‑health defenses without bias.

Judge William Sullivan has already ruled on two pivotal evidentiary issues. Prosecutors will be allowed to play a harrowing 911 recording of Patrick’s call home, when he discovered his wife on the ground and his children in the basement. Conversely, the defense will be barred from calling other women who have experienced postpartum depression or psychosis as expert witnesses, a move prosecutors argued was meant to keep the trial from ballooning out of control.

Beyond the courtroom drama, the case has sparked a broader conversation about perinatal mental health. Amy Colozzo, co‑chair of the Massachusetts chapter of Postpartum Support International, says roughly one in five mothers will face a perinatal mood disorder. “We hope this trial shines a light on how common these struggles are and gets families the help they need before things spiral,” she explained.

Dr. Uruj Kamal Haider, medical director of the Massachusetts Child Psychiatry Access Project for Moms, echoed that sentiment, emphasizing that psychosis exists on a spectrum. “You don’t always need full‑blown hallucinations for a mother to be in a psychotic state,” she said. “Paranoia, extreme irritability, or confusion, especially when compounded by sleeplessness, can be a dangerous mix.”

In parallel to the criminal proceedings, both Lindsay and Patrick Clancy have launched separate civil lawsuits against the healthcare providers who treated her. Patrick’s suit alleges that doctors didn’t adequately monitor the myriad prescriptions — Zoloft, Prozac, Klonopin, Seroquel, Ambien, among others — and that brief psychiatric appointments left critical warning signs unchecked.

“If the defendants had provided proper care, it’s more likely than not the children would still be alive today,” his attorney argued in the complaint. The civil claims add another layer of complexity, potentially influencing public perception and, indirectly, the criminal trial.

As the first jurors are sworn in, the nation watches a case that sits at the intersection of law, medicine, and societal expectations of motherhood. Whether the insanity defense will find purchase remains uncertain, but one thing is clear: the trial will force families, clinicians, and policymakers to confront a painful truth — that postpartum mental illness can be lethal if left untreated, and that the legal system is still learning how to balance accountability with compassion.