LINDSAY CLANCY TRIAL: PSYCHOLOGIST REVEALS HER FIRST WORDS TO HER HUSBAND — THEN THE DEFENSE DEMANDS A MISTRIAL

The final stage of Lindsay Clancy’s closely watched Massachusetts trial took another dramatic turn Monday as a forensic psychologist testified about what Clancy told her husband after the deaths of their three children — before a dispute over religion prompted the defense to ask for a mistrial.

Clancy, 36, has pleaded not guilty by reason of insanity to charges involving the deaths of her children, Cora, 5, Dawson, 3, and Callan, 8 months, in January 2023.

Her defense maintains that she was suffering from severe postpartum psychosis and was not criminally responsible. Prosecutors argue that she understood what she was doing and should be held responsible.

 THE PSYCHOLOGIST’S ACCOUNT OF CLANCY

Forensic psychologist Dr. Kirk Heilbrun, a prosecution witness, testified that he evaluated Clancy in April 2026.

He diagnosed her with bipolar II disorder without manic episodes and described her as having experienced significant depression.

But Heilbrun rejected one of the defense’s central claims: that Clancy was experiencing an acute psychotic episode when the children died.

Clancy has said that she heard a male voice instructing her to harm her children and herself.

Heilbrun testified that he considered that explanation but found it highly unusual. Instead, he proposed another interpretation — that Clancy may have believed her children would suffer if she died and acted out of a distorted belief that they would be better off without her.

He described that theory as “altruistic filicide.”

WHAT DID SHE TELL HER HUSBAND?

Earlier testimony in the trial has focused heavily on Clancy’s statements after the incident.

Psychologist Paul Zeizel previously testified that Clancy told him she had heard a voice telling her to kill her children and herself. Zeizel said he allowed her to use his phone to speak with her husband, Patrick Clancy.

A hospital chaplain also testified that one of Clancy’s early statements was:

“I am so glad my children are safe.”

The prosecution has used statements and behavior following the killings to challenge the defense’s argument that Clancy was completely detached from reality.

 TWO COMPLETELY DIFFERENT INTERPRETATIONS

The testimony has highlighted the central battle of the trial.

The defense argues that Clancy’s history of severe mental-health symptoms, intrusive thoughts, suicidal thinking and alleged hallucinations points to postpartum psychosis.

Prosecution experts have acknowledged that she was seriously mentally ill but have disagreed that she was psychotic.

Dr. Avram Mack, another prosecution expert, previously testified that he diagnosed Clancy with a major depressive episode and found no evidence that she was psychotic or delusional.

Heilbrun reached a different diagnosis — bipolar II — but similarly rejected the defense’s claim of acute psychosis.

That disagreement among experts has become one of the most important issues for the jury.

 THEN THE TESTIMONY TOOK AN UNEXPECTED TURN

During Heilbrun’s testimony Monday, discussion of Clancy’s Catholic faith prompted an immediate objection from the defense.

Attorney Kevin Reddington requested a mistrial, arguing that the religious references were inappropriate and potentially prejudicial.

Judge William Sullivan denied the request.

However, he instructed jurors that religion was not an appropriate consideration in deciding the case and directed them to disregard the religious portion of the testimony.

The incident briefly halted the proceedings and became one of the most contentious moments of the trial’s final stage.

 THE CASE IS NOW NEARING ITS END

The trial has lasted nearly five weeks and has centered almost entirely on one extraordinary question:

Was Lindsay Clancy suffering from a severe psychotic illness that prevented her from understanding the nature and wrongfulness of her actions?

The defense says yes.

The prosecution says she was mentally ill but knew what she was doing and understood it was wrong.

Both sides have presented competing medical interpretations of the same symptoms and events.

The jury will ultimately have to decide which interpretation is supported by the evidence.

 WHAT HAPPENS NEXT?

Proceedings are expected to continue with the remaining testimony before the attorneys make their closing arguments.

If Clancy is convicted, she faces life in prison without parole.

If she is found not guilty by reason of insanity, she would instead be committed to a psychiatric facility under Massachusetts law.

For now, no verdict has been reached.

Three children died. Their mother admits responsibility for what happened but says she was suffering from a devastating psychiatric illness that destroyed her ability to understand reality. The prosecution says the evidence tells a different story.

And as closing arguments approach, the jury must decide which version of those final hours is supported by the evidence.