The Lone Juror Who Stopped Lindsay Clancy’s Verdict — What He Says Happened And Why Her Case Is Back In Court
Why The Lindsay Clancy Jury Could Not Agree — And What Happens After The 11–1 Deadlock
Eleven Jurors Reached One Conclusion. The Twelfth Did Not.
Lindsay Clancy is back in court after a murder trial that came within one vote of ending very differently.
Her first trial ended on 4 September 2026 when Judge William Sullivan declared a mistrial after the jury said it could not reach a unanimous verdict. By the end of deliberations, the panel was split 11–1 in favour of finding Clancy not guilty because the Commonwealth had failed to prove criminal responsibility.
The single holdout was Michael P. Desronvil.
That simple fact has become the centre of a much more complicated dispute. Several jurors have said Desronvil acknowledged reasonable doubt but would not apply it in the way they believed the judge’s instructions required. Desronvil rejects that characterisation. He says he believed the physical evidence, witness testimony and prosecution case showed Clancy knew what she was doing and planned the killings.
Now the jury disagreement has followed Clancy back into court.
Her lawyers are seeking a ruling that could end the prosecution without a second jury ever being sworn. They are also challenging whether the mistrial should permit another trial and pressing for an inquiry into the holdout juror.
The case therefore has three separate questions hanging over it: what happened inside the jury room, whether the first trial legally ended in a way that permits a retrial, and whether the prosecution presented enough evidence for the case to continue at all.
Why The Jury Could Not Reach A Verdict
The trial was never principally about whether Clancy caused the deaths of her children.
Clancy admitted killing five-year-old Cora, three-year-old Dawson and eight-month-old Callan at the family home in Duxbury, Massachusetts, on 24 January 2023.
The central dispute was criminal responsibility.
Her defence argued that she was suffering from severe mental illness, including postpartum psychosis, and lacked the legally required capacity to appreciate the wrongfulness of what she was doing. Prosecutors argued that she was seriously unwell but remained capable of understanding her actions and acting deliberately.
That distinction became the entire case.
The jury heard weeks of testimony from psychiatric experts, treating clinicians, family members, investigators and other witnesses. Jurors had to decide not simply whether Clancy was mentally ill, but whether the Commonwealth had proved beyond a reasonable doubt that she remained criminally responsible despite that illness.
The panel did not begin deliberations at 11–1.
Juror Paula Devlin later said the first division was closer to eight jurors favouring lack of criminal responsibility, two undecided and two favouring guilt. Over time, the undecided jurors and one of the guilty votes moved.
One did not.
By the end, the panel had reached an extraordinary position: eleven jurors were ready to acquit Clancy on criminal-responsibility grounds, while Desronvil remained opposed.
Because a criminal verdict had to be unanimous, 11–1 was still no verdict at all.
What The Other Jurors Say Happened
The most serious criticism of Desronvil comes from the jurors who sat beside him.
Foreperson Roni Carlson and other members of the panel have said the holdout expressed reasonable doubt during deliberations but still refused to join an acquittal. Their concern was not simply that he disagreed with them. Their concern was that, in their account, he was recognising doubt while refusing to apply the legal consequences of that doubt.
Another juror, Nick Dargie, said he repeatedly asked the holdout to identify evidence or testimony supporting his conclusion. Dargie said he did not believe Desronvil supplied a convincing evidential basis for the position he was taking.
Devlin offered a more nuanced possibility. She said the holdout may have felt increasingly attacked by the rest of the room and become more entrenched as deliberations grew tense.
That matters because jury rooms are designed to permit disagreement.
A juror is not required to surrender a sincerely held view simply because eleven other people disagree. Equally, every juror is required to follow the judge’s instructions and apply the legal standard to the evidence.
The difficulty in the Clancy case is that those two principles became impossible to separate from outside the jury room.
Was Desronvil a juror conscientiously holding to a different interpretation of the evidence?
Or was he refusing to apply the legal standard after acknowledging doubt?
That is precisely the dispute Clancy’s lawyers now want the court to examine.
What The Lone Holdout Juror Has Said
Desronvil has now given his own account.
He says he did not have doubts about Clancy’s criminal responsibility.
He has said that when he tried to explain different theories during deliberations, other jurors cut him off and interpreted his attempts to discuss possibilities as evidence that he was uncertain.
His position is that the evidence convinced him Clancy knew what she was doing.
He has pointed broadly to the physical evidence, important witnesses and the prosecution’s presentation of the events surrounding the killings. His conclusion was that the evidence was sufficient to show planning and awareness.
In a later public appearance, he also urged people to keep attention on Cora, Dawson and Callan rather than turning the case entirely into a story about him.
That account directly conflicts with the description offered by some of the other jurors.
The disagreement is therefore no longer simply over the verdict they could not reach. It is over what was actually said during deliberations and whether Desronvil’s reasoning was a lawful disagreement or something that should have triggered intervention by the court.
Why The Judge Did Not Simply Remove Him
Clancy’s defence wanted the court to act before the mistrial.
As the deadlock hardened, concerns about the holdout were brought to Judge Sullivan. The judge questioned jurors about whether they could continue to perform their duties and reinforced the instruction on reasonable doubt.
But he did not remove Desronvil.
That was legally significant.
A judge cannot eject a juror merely because the juror is preventing the majority from reaching a verdict. Doing so because of the substance of a juror’s view would threaten the independence of the jury itself.
The court therefore faced a narrow distinction.
If Desronvil was refusing to follow the law, there could be a basis for intervention.
If he simply interpreted the evidence differently from everybody else, there was not.
Sullivan ultimately left the jury intact and sent it back to deliberate.
The division remained.
After seven days of deliberations, the jury said it could not reach unanimity and the court declared a mistrial.
The earlier jury crisis and the judge’s refusal to remove the holdout juror now matters because the defence is arguing that the handling of that problem should affect what happens next.
Why Clancy Is Back In Court Today
The 29 September hearing was scheduled after the mistrial for status, possible trial assignment and a defence motion under Massachusetts Rule 25.
That motion is potentially the most important immediate issue.
Rule 25 allows a judge to enter a required finding of not guilty where the evidence is legally insufficient to sustain a conviction. The rule also permits a judge to decide a reserved motion after a jury has been discharged without returning a verdict.
Clancy’s defence argues that the prosecution failed to present legally sufficient evidence proving criminal responsibility.
If Judge Sullivan agrees, the case could end through a judicial finding rather than a second trial.
That is different from saying eleven jurors wanted to acquit her.
The Rule 25 question is not whether the judge agrees with the majority of the first jury. It is whether the prosecution’s evidence, viewed under the proper legal standard, was sufficient for a rational jury to convict.
That is a much narrower test.
The Double-Jeopardy Fight
Clancy’s lawyers are also arguing that she should not be tried again because the mistrial was not supported by the kind of necessity required to overcome double-jeopardy protection.
Normally, a genuinely deadlocked jury permits prosecutors to retry a defendant.
The defence is trying to show that this was not an ordinary deadlock.
Its argument is tied to the allegation that the juror problem should have been examined or resolved differently before the court terminated the trial. If the mistrial was declared without sufficient legal necessity, the defence argues that another prosecution should be barred.
The Commonwealth disputes that position.
The central issue is whether the jury was genuinely unable to reach a lawful unanimous verdict and whether Sullivan acted within his discretion when he concluded further deliberations would not resolve the impasse.
This is one reason the precise sequence of jury notes, judicial instructions and the holdout-juror dispute matters so much now.
The Attempt To Investigate Desronvil
Clancy’s lawyers have separately sought a limited investigation into Desronvil.
Their concerns reportedly include questions about his jury-selection answers, his conduct during deliberations and allegations concerning phone use.
Desronvil has retained a lawyer, and his legal team has strongly resisted the attempted inquiry.
This is a sensitive area because courts generally protect the secrecy and independence of jury deliberations. Post-trial attacks on jurors can create obvious risks if losing parties are permitted to investigate people merely because they voted the wrong way.
The defence therefore needs to show something more specific than dissatisfaction with his vote.
Its claim is that there may have been misconduct or information relevant to whether he was qualified to serve and whether the jury process functioned lawfully.
That motion is separate from the question of whether Desronvil was right or wrong about Clancy’s criminal responsibility.
What Happens Next
There are several possible routes from here.
Judge Sullivan could reject the defence motions and allow the case to move towards a second trial.
He could grant a Rule 25 motion if he concludes the prosecution’s evidence was legally insufficient.
He could rule on the double-jeopardy challenge and determine whether the mistrial permits another prosecution.
The court could also permit some form of limited inquiry into the holdout juror, although the scope of any inquiry would have to respect strict protections surrounding jury deliberations.
Prosecutors must also decide exactly what they want a second case to look like if retrial remains available.
The first jury’s 11–1 split gives both sides a detailed map of where the first trial broke down. A second jury would hear the case fresh, but the lawyers would not enter that courtroom blind.
The defence now knows that its psychiatric case persuaded nearly the entire first panel.
The prosecution knows that one juror still found its evidence of planning and awareness convincing enough to resist an acquittal through seven days of deliberations.
That makes a retrial possible, but far from simple.
What The Mistrial Did Not Decide
The mistrial did not acquit Lindsay Clancy.
It did not convict her.
It did not decide that postpartum psychosis legally excused the killings.
It did not establish that the holdout juror committed misconduct.
And it did not automatically guarantee that prosecutors can try the case again.
It left the case unresolved.
That is why the argument has moved from the jury room back to Judge Sullivan’s courtroom.
The first trial asked whether Clancy was criminally responsible when she killed her children.
The post-mistrial battle asks something different: whether the law now requires another jury to answer that question at all.
For a case already defined by the difference between medical illness and legal responsibility, one final distinction may now decide its future — the difference between a jury that could not agree and a prosecution that should not legally continue.
Sources
Massachusetts Court System — Criminal Procedure Rule 25: Motion Required For Finding Of Not Guilty — The governing Massachusetts procedure for required findings after a jury is discharged without a verdict.
CBS News — Holdout Juror In Lindsay Clancy Trial Says He “Didn’t Have Any Doubts” During Deliberations — Desronvil’s account of why he rejected the lack-of-criminal-responsibility verdict.
Associated Press — Lindsay Clancy Set To Return To Court For First Time Since Murder Trial Ended With Deadlocked Jury — Current status of the 29 September hearing and the unresolved retrial question.
Next Reads
Lindsay Clancy Mistrial Explained: The 11–1 Jury Deadlock And What Happens Next — A detailed reconstruction of how the first jury reached an 11–1 deadlock.
Lindsay Clancy’s Next Trial Could Be Completely Different — Because Both Sides Now Know Where The First Jury Broke — How the first trial may reshape any second prosecution.
What Happens To Lindsay Clancy If She Doesn’t Go To Prison? Inside The Psychiatric Future She Could Face — What a lack-of-criminal-responsibility outcome could mean after court.
