Lindsay Clancy Trial: Mother-in-Law's Testimony and the Question Judge Sullivan Struck

Susan Clancy, Patrick Clancy's mother, took the stand today 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 has pleaded not guilty and is mounting an insanity defense, with attorney Kevin Reddington arguing she was in the grip of severe postpartum psychosis and psychiatric overmedication at the time of the killings.

Susan Clancy testified that her daughter-in-law came to her struggling with anxiety, depression, and sleeplessness, and asked for help finding a doctor — not the picture of a woman hiding what was happening to her. She described Lindsay as a mother who loved and adored her kids. Under cross-examination, prosecutors pressed on an ER visit for anxiety and insomnia, and on medications Susan Clancy admitted even she found confusing to manage. Then came a question that never should have made it out of the prosecutor's mouth — asking whether Susan Clancy knew murder is considered a mortal sin under Catholic doctrine. Judge William Sullivan called an immediate sidebar and struck it from the record. On redirect, jurors heard that Lindsay had been turned away from a treatment program for being overmedicated, and that she'd called a suicide hotline twice before January 24.

Prosecutors are expected to argue Clancy understood the nature of her actions despite the defense's mental-health claims. She allegedly attempted suicide afterward by jumping from a second-story window, leaving her paralyzed from the waist down. Her husband, Patrick Clancy, was out running errands at the time and has since relocated to Manhattan. The trial continues in Plymouth Superior Court.

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This publication contains commentary and opinion based on publicly available information. All individuals are presumed innocent until proven guilty in a court of law. Nothing published here should be taken as a statement of fact, health or legal advice.

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