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Psychologist: Clancy lacked criminal responsibility
20 Aug
Summary
- Expert says Clancy suffered postpartum psychosis.
- Defense argues Clancy couldn't appreciate wrongfulness of acts.
- Judge disallowed testimony from a TikTok creator witness.

Forensic psychologist Dr. Paul Zeizel testified for the defense, asserting that Lindsay Clancy lacked criminal responsibility when she killed her three children. He opined that Clancy experienced bipolar disorder with postpartum psychosis and was unable to conform her behavior to the law, thus not appreciating the wrongfulness of her actions.
During cross-examination, prosecutors questioned Dr. Zeizel's assessment, pointing to Clancy's seemingly normal behavior on anniversaries and birthdays. They also argued that her documented intrusive thoughts were not described as voices.
Separately, the judge ruled that a TikTok creator and clinical social worker, Emily Thorndike, would not be permitted to testify for the defense. Thorndike's proposed testimony concerned staffing and treatment practices at the psychiatric facility where Clancy was admitted.
The court proceedings were cut short, sending jurors home early due to an unforeseen circumstance, though the judge stated the case remained on schedule. The defense is expected to call additional witnesses, including a postpartum psychosis expert.