What is reasonable doubt, and why are Lindsay Clancy jurors arguing about it?

The legal standard has become the central issue in the Lindsay Clancy trial as jurors remain deadlocked over whether prosecutors proved beyond a reasonable doubt that Clancy was criminally responsible for the deaths of her three children.

The dispute has fueled questions about a possible mistrial, a lone juror and when the high-profile case might finally reach a verdict.

Reasonable doubt is the legal standard prosecutors must meet before jurors can convict Lindsay Clancy.

Jurors are not deciding whether Clancy killed her three children. Both sides agree she was responsible for their deaths. Instead, jurors must decide whether prosecutors proved beyond a reasonable doubt that Clancy was criminally responsible for the killings despite defense claims that she was suffering from postpartum psychosis.

A dispute involving an alleged holdout juror became a major issue after defense attorney Kevin Reddington argued that one juror was refusing to properly apply the judge's instructions on reasonable doubt.

The disagreement emerged as the Lindsay Clancy jury remained deadlocked and unable to reach a unanimous verdict.

Possibly, but it is uncommon. During Thursday's proceedings, defense attorney Kevin Reddington asked Judge William Sullivan to remove a juror who was allegedly refusing to properly apply the court's instructions on reasonable doubt.

Sullivan declined the request and instead re-instructed jurors on the law, saying he did not believe it was appropriate for him to "agree with one juror or 11."

Judge William Sullivan, left, is presiding over the murder trial of Lindsay Clancy in Plymouth Superior Court on Tuesday, Sept. 1, 2026.
Judge William Sullivan, left, is presiding over the murder trial of Lindsay Clancy in Plymouth Superior Court on Tuesday, Sept. 1, 2026.

The law requires prosecutors to prove their case beyond a reasonable doubt before a jury can return a guilty verdict, according to Cornell Law.

In the Lindsay Clancy trial, jurors must decide whether prosecutors met that burden despite the defense's argument that Clancy was suffering from postpartum psychosis and was not criminally responsible for the deaths.

A mistrial can occur if jurors remain deadlocked and cannot reach a unanimous verdict.

If Judge Sullivan declares a mistrial in the Lindsay Clancy trial, prosecutors would then decide whether to retry the case before a new jury.

Yes. Jurors can continue deliberating and still reach a unanimous verdict even after reporting difficulties reaching an agreement.

Possible outcomes include a guilty verdict, a finding that Clancy was not criminally responsible by reason of mental illness, or a continued deadlock that results in a mistrial.

Jurors are expected to continue deliberating as the court attempts to reach a unanimous verdict.

The key question remains whether prosecutors proved beyond a reasonable doubt that Lindsay Clancy was criminally responsible for the deaths of her three children. If jurors cannot agree, the case could end in a mistrial.

Lori Comstock is a New Jersey-based reporter covering trending news with USA TODAY Network's Mid-Atlantic Connect TeamShe covers news in the Northeast, including New Jersey, Pennsylvania, Delaware, Washington DC, Maryland, and Virginia. Reach her at [email protected].

This article originally appeared on NorthJersey.com: Reasonable doubt: Did one juror cause the Lindsay Clancy trial deadlock?