A jury in Massachusetts ended a fourth day of deliberations on Tuesday, Sept. 1, 2026, without reaching a verdict in the murder trial of Lindsay Clancy. The jury, composed of nine women and three men, signaled an impasse after weighing whether Clancy was criminally responsible for the deaths of her three children.
The case involves the 2023 deaths of Clancy’s daughter and two sons in their family home. Clancy, a 36-year-old former nurse, does not dispute that she killed the children. The five-week trial has focused on her state of mind at the time, with the defense and prosecution presenting conflicting expert testimony regarding her mental health.
Clancy’s legal team argued she was suffering from postpartum psychosis—a severe mental illness that can affect a new mother’s sense of reality—and hallucinated a voice that commanded her to kill. The prosecution argued that Clancy made a calculated and intentional decision and understood that her actions were wrong. Expert witnesses for the prosecution also questioned whether Clancy actually heard the voice she described.
Under Massachusetts law, the prosecution bears the burden of proving beyond a reasonable doubt that Clancy was criminally responsible. The jury is considering several potential verdicts: first-degree murder, which carries a mandatory life sentence without parole; second-degree murder, which allows for parole; manslaughter; not guilty by reason of insanity; or not guilty.
The verdict will determine whether Clancy is held criminally liable for first-degree murder or if her mental state at the time of the killings necessitates medical detention rather than incarceration. In Massachusetts, a first-degree murder conviction requires jurors to find evidence of premeditation or extreme atrocity. If the jury accepts an argument of involuntary intoxication due to overprescribed medication, they could instead opt for a manslaughter conviction, which carries a maximum 20-year sentence per count.
A verdict of not guilty by reason of insanity would result in Clancy being detained at a hospital for treatment. Deliberations are scheduled to continue, though the jury signaled an impasse on Tuesday. If a unanimous verdict cannot be reached, the judge may be required to declare a mistrial.