Watch Live: Lindsay Clancy Triple-Murder Trial Closing Arguments

DEDHAM, MA. (THECOUNT) — Closing arguments are beginning in the Lindsay Clancy triple-murder trial, bringing the closely watched Massachusetts case to its final stage after more than 20 days of testimony. Prosecutors and defense attorneys are now making their final pitches before the case is handed to the jury.

Clancy is accused of strangling her three children — 5-year-old Cora, 3-year-old Dawson and 8-month-old Callan — inside the family’s home in January 2023 before attempting suicide.

She has pleaded not guilty to three counts of first-degree murder. Her defense has argued that she was experiencing postpartum psychosis at the time of the killings and therefore was not criminally responsible for her children’s deaths.

Prosecutors have argued that Clancy planned the killings and understood that her actions were wrong. They have pointed to evidence presented during the trial concerning her conduct before the children’s deaths, including allegations that she sent her then-husband, Patrick Clancy, out of the home before the killings.

The question of Clancy’s mental state has dominated the trial, with prosecution and defense experts offering sharply different assessments of her condition in January 2023.

A prosecution rebuttal witness, forensic psychologist Dr. Kirk Heilbrun, testified earlier this week that he believed Clancy had a mental disease or defect at the time but nevertheless understood that killing her children was wrong. Heilbrun ultimately testified that he considered her criminally responsible.

The defense presented its own psychiatric testimony, including testimony from psychiatrist Dr. Phillip Resnick, who said he believed Clancy was experiencing acute psychosis and command hallucinations when she killed her children.

The closing arguments give both sides their final opportunity to explain the evidence and persuade jurors before deliberations begin. Prosecutors are expected to argue that the evidence establishes the elements of first-degree murder and that Clancy was legally responsible for her actions.

The defense is expected to focus on Clancy’s psychiatric history, the medications she was taking and expert testimony supporting its claim that postpartum psychosis rendered her unable to appreciate the wrongfulness of her conduct.

If convicted of first-degree murder, Clancy faces life in prison without the possibility of parole. If she is found not guilty by reason of insanity, she would be committed to a state mental-health facility rather than released into the community.

Once closing arguments are completed, the judge will provide instructions to the jury before deliberations begin. The jury will then determine whether Clancy is guilty or not criminally responsible by reason of insanity.

The proceedings mark the culmination of a trial that has centered largely on the competing explanations of what happened inside the Clancy home and, most significantly, Clancy’s mental state at the time of the killings.

Dedham is located in Norfolk County in eastern Massachusetts, approximately 10 miles southwest of Boston. Norfolk Superior Court, where the Clancy trial is being held, is located in the community.

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