Home / Crime and Justice / Mother's Insanity Defense in Child Slayings
Mother's Insanity Defense in Child Slayings
18 Aug
Summary
- Clancy faces murder charges for the deaths of her three children.
- Defense claims postpartum depression and psychosis.
- Trial includes testimony from ex-husband and medical professionals.
The murder trial of Lindsay Clancy, accused of strangling her three children, Cora, 5, Dawson, 3, and Callan, 8 months, resumed on Monday, August 17, 2026. The incident occurred in January 2023 at the family's Duxbury, Massachusetts home. Prosecutors allege Clancy planned the killings while her husband was out picking up food and medicine.
Clancy's defense is pursuing a "lack of criminal responsibility" defense, commonly known as an insanity defense under Massachusetts law. They contend she was suffering from postpartum depression and psychosis at the time of the deaths. Her attorney argues she was not criminally responsible due to a mental defect.
During the trial, a jury of 18 has heard from over 60 witnesses. Notable testimony included that of Patrick Clancy, the children's father, who detailed his wife's declining mental health. Psychiatrists and nurse practitioners also testified about the medications prescribed to Lindsay Clancy in the months leading up to the tragedy.
Lindsay Clancy has pleaded not guilty to all charges. She has been undergoing court-ordered mental health treatment at Tewksbury Hospital since May 2023. The trial continues with the presentation of evidence from both the prosecution and the defense.
