Lindsay Clancy Trial: Dr. Mack Reveals the "Last Chance" Voice She Says She Heard

Dr. Avram Mack, a psychiatrist testifying for the prosecution, returned to the stand Friday afternoon in the murder trial of Lindsay Clancy, the Duxbury, Massachusetts mother accused of strangling her three children — 5-year-old Cora, 3-year-old Dawson, and 7-month-old Callan — with exercise bands inside the family's Summer Street home on January 24, 2023. Clancy faces three counts of murder and three counts of strangulation. She's pleaded not guilty, and her attorney, Kevin Reddington, is mounting an insanity defense built on claims of severe postpartum psychosis and psychiatric overmedication.

Mack told the jury that Clancy described hearing a command voice tell her this was her "last chance" — that she needed to kill her kids before she could kill herself. In Mack's opinion, Clancy was suffering from major depressive disorder, which he classified as a Mental Disease or Defect. But he drew a hard line there: he says she still knew right from wrong, and still bore criminal responsibility.

Cross-examination got interesting. Mack admitted the DA's office is paying him, that Park Dietz & Associates brought him onto the case, and that he'd met with Clancy alongside another forensic psychiatrist from that same firm — though he wouldn't discuss "the contact" between them. He also claimed Clancy had a "lifelong history" of resisting medication, then had to concede under questioning that this detail isn't actually in his notes. What is in his notes: she didn't want to take medication because she was breastfeeding. That's a meaningful gap between what he said on direct and what he can actually back up.

The trial continues in Plymouth Superior Court and is expected to run several weeks.

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