Lindsay Clancy, the American mother accused of strangling her three young children, has returned to court in Massachusetts seeking to have the murder charges against her dismissed. Her legal team argued on Monday that a retrial would violate her constitutional rights following a mistrial declared in August.

Clancy's defense lawyers urged Judge William Sullivan to dismiss the first-degree murder charges, contending that juror misconduct and the judge's own questioning during deliberations improperly influenced the trial. The mistrial occurred in August when the jury was unable to reach a unanimous verdict.

During the initial trial, defense attorney Martin G Weinberg argued that the judge should have investigated further after the jury foreperson sent notes indicating a juror was not adhering to deliberation rules. Weinberg suggested this juror, identified as Michael Desronvil, could have been removed, allowing deliberations to continue. Following the notes, Judge Sullivan individually questioned jurors, reminding them of their duties. All jurors affirmed they could apply the law to the case.

Weinberg contended that Sullivan's questioning did not go far enough, suggesting the juror might have been untruthful about their ability to follow the law. He argued that separate questioning of the foreperson was warranted to understand the dynamics of the deliberations.

Assistant District Attorney Jennifer Sprague countered that there was no evidence the dissenting juror's stance was based on personal bias or an inability to deliberate, but rather a differing interpretation of the evidence. Sprague maintained that the judge managed the jury impasse appropriately, stating that one juror's refusal to agree did not constitute a refusal to deliberate.

Clancy strangled her children, aged 5, 3, and 2, with exercise bands in their Duxbury home in January 2023. Following the deaths, she attempted suicide by cutting herself and jumping from a second-floor window, resulting in paralysis.

Prosecutors have indicated their intention to retry Clancy if the case proceeds, though they have not confirmed if the first-degree murder charges would be pursued again. Monday's hearing marked Clancy's second court appearance since the mistrial was declared.

The defense's motion to dismiss the charges hinges on the argument that the circumstances surrounding the jury's impasse and the judge's subsequent actions created an unfair situation, potentially barring a future prosecution.