Lindsay Clancy Case: Expert Witness Reveals the Diagnosis Behind the Killings

The defense's biggest witness took the stand today — and then the defense rested. Dr. Phillip Resnick, a forensic psychiatrist who specializes in filicide, the rare and specific category of a parent killing their own child, testified by Zoom 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 defense, led by attorney Kevin Reddington, centers on severe postpartum psychosis and psychiatric overmedication.

Resnick spent over three and a half hours evaluating Clancy in person about four months after the crime, plus another hour and a half with her parents. He said she was blunted and matter-of-fact while heavily medicated — and, notably, he pointed out the prosecution's own doctors didn't get to her until three years after the fact. No one, Resnick testified, found evidence she was lying or exaggerating; if anything, she minimized what she'd been through. His diagnosis: Bipolar II with severe depression, postpartum symptoms that got worse with each child, and on the day of the crime, postpartum psychosis — command hallucinations, a dreamlike disconnection from her own body. His bottom line: she couldn't conform her conduct to the law. She believed, he said, that she was doing right by her kids. On cross, prosecutors leaned hard on how statistically rare this is. Then the defense rested its case.

Prosecutors are expected to argue Clancy understood the nature of her actions despite the defense's mental-health claims. After the killings, Clancy allegedly attempted to take her own life by jumping from a second-story window, leaving her paralyzed from the waist down. Her husband, Patrick Clancy, was out of the home running errands at the time and has since relocated to Manhattan. The trial, underway in Plymouth Superior Court, is expected to last several weeks.

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Content on this site is based on publicly available information and reflects commentary and opinion. All individuals are presumed innocent until proven guilty. Nothing published here constitutes legal, medical, or professional advice.

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