Lindsay Clancy, a 35-year-old mother from Duxbury, Massachusetts, stood trial on July 27, 2026, accused of murdering her three children in January 2023.
She has pleaded not guilty, claiming severe postpartum psychosis rendered her not criminally responsible.
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Clancy faces three counts of murder for the deaths of Cora, 5; Dawson, 3; and 8-month-old Callan.
Prosecutors say she strangled them with exercise resistance bands in their home.
After the killings, Clancy attempted suicide by jumping from a second-story window, resulting in paralysis from the waist down.
Prosecution vs. Defense
The prosecution argues Clancy acted with deliberate premeditation and extreme cruelty, asserting she was fully responsible.
The defense, led by attorney Kevin Reddington, contends her mental illness negates criminal culpability.
Clancy had sought treatment for postpartum mental health issues before the incident, including a voluntary psychiatric hospitalization weeks earlier.
Her ex-husband, Patrick Clancy, who discovered the children and made a 911 call, is expected to testify first.
He supports the defense's view, stating in 2024, "I wasn't married to a monster — I was married to someone who got sick."
Patrick's testimony will cover Lindsay's mental health struggles and the events of that day. The defense will cross-examine him to probe these issues further.
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The trial will feature dueling psychiatric experts.
The prosecution's witnesses include Dr. Kirk Heilbrun, Dr. Avram Mack, Dr. Gregory Saathoff, and Dr. Margarita Abi Zeid Daou.
