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Following legal procedures that took several hours Friday, the judge in the Lindsay Clancy murder trial declared a mistrial after the jury earlier in the day told the judge they are deadlocked on whether Clancy is criminally responsible for killing her three children.
Timeline:
The jury of nine women and three men, was on its seventh day of deliberations Friday, a day after the jury’s foreperson told the judge a single juror won’t follow the court’s instructions about reasonable doubt. The extraordinary disclosure, made in the form of a note delivered to the judge Thursday, offered the clearest glimpse yet of what kept jurors from reaching a verdict.
Without the jurors present in the courtroom Friday morning, Judge William Sullivan said he intended to declare a mistrial but gave the defense an hour to make an emergency for a stay, who argued that the lone juror who had been holding out should be replaced.
Lindsay Clancy in the courtroom during her murder trial at the Plymouth County Superior Court in Plymouth, Massachusetts, on September 4, 2026. (Photo by Greg Derr / POOL / AFP via Getty Images)
Defense's last-ditch appeal to stop mistrial denied
Clancy’s attorney, Kevin Reddington, cited the holdout juror as the reason for his appeal to the Massachusetts Supreme Judicial Court.
Kevin Reddington, defense attorney for Lindsay Clancy, makes an argument to remove one juror from deliberations during Lindsay Clancy's murder trial at the Plymouth County Superior Court in Plymouth, Massachusetts, on September 4, 2026. Lindsay Clanc …
What they're saying:
"I believe this is a situation where there is a clear and present danger that this individual, for some reason — what it is, we don’t know -- but is taking a position that’s intractable regardless of proof beyond a reasonable doubt. So I want an opportunity to take an appeal to the single justice, if the court would grant us that opportunity."
"You want me to tell this jury to come back tomorrow?" Judge William Sullivan responded, prompting some back and forth with Reddington. "I’ll give you an hour before I bring the jury back down."
Reddington said as he walked out of the courtroom Friday afternoon that the defense’s emergency appeal had been filed and in it, he argued that the lone juror who has been holding out should be replaced.
Attorney Dana Goldblatt said she filed the emergency appeal on behalf of Lindsay Clancy’s defense attorney, Kevin Reddington, at 12:29 p.m. on Friday.
READ IT: Lindsay Clancy defense’s last-ditch appeal to stop mistrial
The defense points to the foreperson’s note indicating the juror had "acknowledged doubt" but was refusing to apply it to the case "as the law states." Sullivan previously declined to further question or remove the juror, finding there was not enough evidence that the juror was refusing to follow the law.
Clancy’s attorneys now argue the dispute goes beyond a disagreement among jurors and raises questions about whether the juror is biased against people with mental illness. Clancy presented a lack-of-criminal-responsibility defense at trial, and her attorneys argue that an impartial jury is a fundamental constitutional right.
The emergency petition also argues Sullivan should not disregard information about possible juror misconduct simply because it touches on the normally private deliberation process. The defense claims the judge has failed to exercise his responsibility to determine whether the juror can fairly apply the law.
"A mistrial at this point is entirely avoidable, but only if the court does its job," Clancy’s attorneys wrote. The emergency filing comes after Sullivan moved to declare a mistrial when jurors said they could not reach a unanimous verdict, but paused the declaration to allow the defense to seek relief from the SJC.
The Massachusetts Supreme Judicial Court denied the request.
What happens next after a hung jury?
Judge William F. Sullivan presided over the Lindsay Clancy murder trial at Plymouth Superior Court in Plymouth, Massachusetts. (Photo by David L. Ryan/The Boston Globe via Getty Images)
Indications that there could be a mistrial came to light on Wednesday when Plymouth County Superior Court Judge William Sullivan gave jurors the "Tuey Rodriguez charge," Massachusetts’ version of a dynamite charge, or an Allen charge. A dynamite charge happens in certain cases when jurors are unable to reach a unanimous decision in a case that calls for it, and, in an attempt to avoid a hung jury, a judge can ask jurors to return to deliberations and reconsider their opinions.
What's next:
The case essentially goes back to the same status as before the trial, with Clancy charged with murder and being held at a psychiatric hospital and waiting for a resolution of the criminal case against her.
Prosecutors will have to decide whether to try her again with a new jury. If they proceed with a new trial, the jury selection process will begin again, and a new trial will be scheduled.
The high-profile case of Lindsay Clancy
A woman carries a sign to show support for the three murdered children of Lindsay Clancy during the Clancy's murder trial at Plymouth Superior Court in Plymouth, Massachusetts on September 1, 2026. Lindsay Clancy is on trial for the January 2023 stra …
The backstory:
Clancy was 34 when she was charged with the 2023 deaths of daughter Cora, 5, and sons Dawson, 3, and Callan, 8 months. Prosecutors said Clancy strangled the children inside the family’s Duxbury home before attempting suicide by jumping from a second-story window.
Clancy, a former labor and delivery nurse, doesn’t deny strangling her children in the basement of their home and her attorney argued that postpartum psychosis led to her actions.
If you or a loved one is feeling distressed, call or text the 988 Suicide & Crisis Line for free and confidential emotional support 24 hours a day, 7 days a week.
CLICK HERE for the warning signs and risk factors of suicide and CLICK HERE for more on the 988 Lifeline.
The five-week trial had over 80 witnesses, including Clancy’s ex-husband, multiple psychologists and psychiatrist, and many additional friends and relatives testifying in her defense.
What we know:
Prosecutors argued Clancy acted with intent, pointing to evidence that she planned the killings and carried them out while her husband briefly stepped out to pick up dinner. They said her actions were deliberate and methodical, and that she understood what she was doing the whole time, fully aware that it was wrong.
The other side:
Controversy arose as Clancy’s defense presented arguments that she was in the grip of postpartum psychosis, a rare but severe condition that can cause hallucinations, delusions and extreme disorientation. Defense attorneys said she was prescribed multiple medications in the weeks leading up to the killings and was overwhelmed by intrusive thoughts she could not control.
Trial put focus on mental health and postpartum psychosis
Plymouth, MA - August 20: Supporters of Lindsay Clancy gather outside of Plymouth Superior Court on August 20, 2026. (Photo by John Tlumacki/The Boston Globe via Getty Images)
Big picture view:
The trial has captivated true-crime followers, legal observers, women and mothers across the country, in part because of the questions surrounding mental health and the insanity defense at the center of her case.
Hundreds of supporters gathered outside the courthouse, many dressed in pink and carrying signs calling attention to mental health and postpartum conditions. Supporters believe she should not be held criminally responsible because of the impact postpartum psychosis can have and the effect it took on her.
What is Postpartum Psychosis?
Dig deeper:
Postpartum psychosis is a rare but serious mental health condition that affects an estimated 1 to 2 women out of every 1,000 after childbirth. Researchers at the Medical University of Lublin in Poland say about half of patients who develop the condition have a previous history of psychiatric problems.
Why you should care:
Experts stress that most people who experience postpartum psychosis do not harm their children, though violence can occur in severe cases. Symptoms can include dramatic mood changes, hallucinations, delusions and significant changes in behavior. They can begin within days of giving birth but may emerge up to six weeks later.
If you or a loved one is feeling distressed, call or text the 988 Suicide & Crisis Line for free and confidential emotional support 24 hours a day, 7 days a week.
CLICK HERE for the warning signs and risk factors of suicide and CLICK HERE for more on the 988 Lifeline.
The Source: This story was written with information provided by The Associated Press, Fox News Digital, live viewing from court proceedings and previous FOX Local reporting. This story was reported from Orlando.