New testimony in Lindsay Clancy’s Mᴀssachusetts murder trial has shed further light on the serious mental health problems she experienced in the weeks before the deaths of her three children.

On August 11, psychiatric nurse pracтιтioner Rebecca Jollotta testified about her treatment of Clancy in late 2022. According to Jollotta, Clancy was struggling with severe anxiety, depression and persistent sleep problems while doctors were repeatedly adjusting her medications.

Clancy also raised concerns about medication side effects and repeatedly asked about changing her treatment. Jollotta testified that she considered whether Clancy could have an underlying bipolar disorder after hearing about her extreme lack of sleep and other symptoms. However, she said Clancy did not display signs of psychosis during their interactions and did not indicate that she had a plan to harm herself or her children.

The testimony also revealed that Clancy’s condition became particularly concerning in December 2022. She reported increasingly disturbing thoughts and later sought emergency psychiatric care. Her treatment included several medication changes and a short stay at a psychiatric facility.

The defense is using this history to argue that Clancy was experiencing a severe psychiatric crisis and was not criminally responsible for the deaths of her children. Her attorneys have pointed to postpartum mental illness, possible bipolar disorder and concerns about the medications she was prescribed.

Prosecutors have offered a different interpretation. They argue that Clancy’s actions were deliberate and that her mental health difficulties did not prevent her from understanding what she was doing. The prosecution has also questioned whether she consistently followed treatment recommendations and has emphasized evidence surrounding her actions before the deaths.

Earlier testimony from other medical professionals has similarly shown that Clancy was struggling with anxiety, insomnia and depression during the months before the tragedy. Yet several of those providers testified that they did not observe clear signs of psychosis or believe she presented an immediate danger to her children.

The testimony is significant because the central question at trial is not simply whether Clancy suffered from mental illness. Both sides acknowledge that she experienced serious psychiatric difficulties. Instead, jurors must ultimately determine whether her mental condition made her legally not responsible for the deaths of her children.

Clancy is charged with first-degree murder in the deaths of Cora, 5, Dawson, 3, and Callan, 8 months, who died at the family’s Duxbury home in January 2023.

The trial is continuing, with additional testimony expected from medical experts and other witnesses. The defense continues to focus on Clancy’s deteriorating mental health and the treatment she received before the tragedy, while prosecutors maintain that she should be held legally responsible for what happened.

As the proceedings continue, the evidence surrounding Clancy’s final weeks before the children’s deaths is becoming a central part of the jury’s decision about her state of mind and whether her mental illness meets the legal standard for a finding of not criminally responsible.

Sources: https://nypost.com/2026/08/11/us-news/lindsay-clancys-worst-day-revealed-weeks-before-she-killed-her-3-kids/