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Psychiatric Testimony Continues in Lindsay Clancy Murder Trial Rebuttal

Psychiatric testimony continues in the Massachusetts murder trial of Lindsay Clancy as the prosecution calls rebuttal witnesses before closing arguments.

Published August 24, 2026 at 8:50 AM EDT

The short answer

Psychiatric testimony continues in the Massachusetts murder trial of Lindsay Clancy as the prosecution calls rebuttal witnesses before closing arguments. The trial of Lindsay Clancy resumed Monday in Plymouth Superior Court, with prosecution rebuttal witnesses providing testimony as the Massachusetts murder case nears its conclusion. Dr. Avram Mack, a forensic psychiatrist, returned to the stand for cross-examination by defense attorney Kevin Reddington.

Psychiatric Testimony Continues in Lindsay Clancy Murder Trial Rebuttal

The Facts

Who
Lindsay Clancy, Dr. Avram Mack, Dr. Phillip Resnick, and defense attorney Kevin Reddington.
What
Murder trial testimony and prosecution rebuttal.
When
Monday and the preceding Friday
Where
Plymouth Superior Court, Massachusetts
Why
To determine if Clancy is criminally responsible for the deaths of her three children or if she was suffering from postpartum psychosis.

Timeline of what happened

Key dates and decisions, in the order they occurred.

  1. April 1, 2026

    Dr. Mack meets with Clancy at Tewksbury Hospital

  2. August 21, 2026

    Defense rests case following Dr. Resnick testimony

  3. August 24, 2026

    Trial resumes with Dr. Mack cross-examination

The trial of Lindsay Clancy resumed Monday in Plymouth Superior Court, with prosecution rebuttal witnesses providing testimony as the Massachusetts murder case nears its conclusion. Dr. Avram Mack, a forensic psychiatrist, returned to the stand for cross-examination by defense attorney Kevin Reddington. The prosecution is expected to call two additional witnesses before both sides deliver closing arguments, which the defense indicated could occur later this week.

The proceedings follow the defense resting its case on Friday. During that session, the defense presented its final witness, forensic psychiatrist Dr. Phillip Resnick, who has previously testified in high-profile cases involving the insanity defense. Clancy has pleaded not guilty to charges of first-degree murder in the deaths of her children: 5-year-old Cora, 3-year-old Dawson, and 8-month-old Callan.

Testimony from the psychiatrists has offered conflicting views of Clancy’s mental state at the time of the killings in her Duxbury home. Dr. Mack testified Friday that Clancy recalled telling her children to "go to God" during the event. Conversely, Dr. Resnick testified for the defense that Clancy described an "external force" taking control of her body. The prosecution argues Clancy planned the murders, while the defense contends she was overmedicated and suffering from postpartum psychosis, a severe mental health condition that can occur after childbirth.

The scale of the case involves the deaths of three children under the age of six and a legal process that has reached its 19th day of testimony. The trial establishes a record of how Massachusetts courts weigh expert psychiatric testimony regarding postpartum psychosis against prosecution claims of premeditation. The jury’s decision will clarify whether Clancy’s actions meet the legal threshold for criminal intent or if her mental state at the time precludes a finding of guilt under state law.

For the public and legal community, the verdict will serve as a precedent for how similar cases of infanticide involving mental health defenses are prosecuted and defended. A verdict is expected following the conclusion of rebuttal testimony and closing arguments. While the specific date for the jury's deliberation has not been finalized, the defense attorney stated that closing arguments are anticipated to take place within the current week.

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. See our editorial standards, or report a correction.

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Questions readers ask

What happened: Psychiatric Testimony Continues in Lindsay Clancy Murder Trial Rebuttal?

The trial of Lindsay Clancy resumed Monday in Plymouth Superior Court, with prosecution rebuttal witnesses providing testimony as the Massachusetts murder case nears its conclusion. Dr. Avram Mack, a forensic psychiatrist, returned to the stand for cross-examination by defense attorney Kevin Reddington.

Who is involved?

Lindsay Clancy, Dr. Avram Mack, Dr. Phillip Resnick, and defense attorney Kevin Reddington.

When did this happen?

Monday and the preceding Friday

Where did this happen?

Plymouth Superior Court, Massachusetts

Why does this matter?

To determine if Clancy is criminally responsible for the deaths of her three children or if she was suffering from postpartum psychosis.