The True Story of Lindsay Clancy

Complete through the September 4, 2026 mistrial and the single holdout juror who ended the trial.
For nine years, Lindsay Clancy worked the labor and delivery floor at Massachusetts General Hospital. Part of that job, every single shift, was watching new mothers for the illness that arrives after birth.
On the evening of January 24, 2023, her husband left their home on Summer Street in Duxbury, Massachusetts to pick up takeout. He was gone about twenty five minutes. When he came back, the house was silent. Cora was five. Dawson was three. Callan was seven months old.
Almost nothing about that night has ever been in dispute. Both sides at her murder trial agreed that Lindsay Clancy killed her three children. The only question that ever mattered was criminal responsibility, and whether postpartum psychosis had taken hold of her mind before it took her family. After five weeks of testimony, seventy four prosecution witnesses, six competing expert opinions on her mental health, and more than three hundred exhibits, twelve jurors could not answer it.
They deliberated for seven days and close to forty hours. Three separate times the deadlocked jury told the judge it could not agree. When it ended, the foreperson had put the reason in writing. One juror acknowledged doubt and would not apply it. The defense moved to have him removed. The judge refused. An emergency petition went to the Massachusetts Supreme Judicial Court and was denied. On the afternoon of September 4, 2026, Judge William Sullivan declared a mistrial, and the three verdict slips went back blank.
This is the complete account of the case, of the insanity defense at its center, and of the maternal mental health system that failed long before anyone died. It follows Lindsay Clancy from a Connecticut childhood into one of the most demanding nursing programs in the country, through two earlier postpartum episodes she recovered from, and into the four months in which thirteen psychiatric medications and more than thirty separate prescriptions were issued to her by providers who were not talking to one another. It documents the December week when a specialist hospital concluded she was overmedicated and misdiagnosed, one month before her children died. It reconstructs January 24 minute by minute from her own phone records. And it covers the murder trial in full, including the cross examination that may have broken the prosecution's case.
It is also, above all, about three children. Cora, who loved princesses and was named after the first baby her mother ever delivered as a nurse. Dawson, who loved fire trucks. Callan, who was learning to smile at people.
Meticulously sourced and factually verified, this is the first full length true crime account of the Lindsay Clancy case that includes how it ended.