Psychologist: Clancy had bipolar disorder with postpartum psychosis
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Psychologist: Clancy had bipolar disorder with postpartum psychosis
Paul ZeizelLindsay Clancy

Psychologist testifies Lindsay Clancy lacked appreciation for the 'wrongfulness' of killing her three children due to mental health issues

A psychologist testified at Lindsay Clancy's murder trial that she lacked appreciation for the 'wrongfulness' of killing her three children due to mental health issues, including bipolar disorder and postpartum psychosis, which affected her behavior and perception of reality, according to defense claims.

CTV News19 August 2026 · 22:29 UTC
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Lindsay Clancy, 36, is on trial for the murder of her three children, aged eight months to five years. During the trial, psychologist Paul Zeizel testified that Clancy's mental health issues, including bipolar disorder and postpartum psychosis, impaired her ability to understand the wrongfulness of her actions.1236

Zeizel, who spent over 35 hours with Clancy and reviewed her medical records, stated that she sought help at a perinatal clinic in December 2022, expressing feelings of being “damaged” and suicidal. He emphasized that she was unable to conform her behavior to the law and had no appreciation for the wrongfulness of her act, attributing this to a “mental disease or defect.”

Postpartum psychosis, which affects one to two per 1,000 women after childbirth, is characterized by severe symptoms linked to stress, sleep deprivation, and hormonal changes. Zeizel's testimony is pivotal for the defense, arguing that Clancy should not be held legally responsible for her actions due to her mental state at the time of the incident.

“She really loves them and misses them and thinks of them every single day, almost every moment of the day,” Zeizel added, highlighting Clancy's emotional turmoil following the tragedy.5

Key Insight
“Paul Zeizel, the psychologist, stated that Clancy was in the grip of postpartum psychosis and bipolar disorder, which impaired her ability to conform her behavior to the law. He noted she expressed feelings of being 'damaged' and suicidal, emphasizing her ongoing love and grief for her children.”
Testimony resumes in Lindsay Clancy murder trial
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Testimony resumes in Lindsay Clancy murder trial
Watch Live: Lindsay Clancy trial continues after psychologist testifies she heard voices | CBS News
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Watch Live: Lindsay Clancy trial continues after psychologist testifies she heard voices | CBS News
LIVE: Lindsay Clancy murder trial continues
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LIVE: Lindsay Clancy murder trial continues
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CTV News
“Lindsay Clancy didn’t appreciate the “wrongfulness” of killing her three children because of her mental-health issues, a psychologist testifying for the defence said at her murder trial Wednesday.”
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