Lindsay Clancy's mistrial in the Massachusetts murder of her three children

A Massachusetts judge declared a mistrial for Lindsey Clancy in the murder of her three young children, after the jury decided, after a week of deliberations, that they could not unanimously reach a decision regarding Clancy's criminal responsibility for the killing of her children.

The issue attracted widespread attention and sparked a sharp division among Americans, even prompting the US President to comment on it.

A state of astonishment prevailed in the courtroom, as the fate of the case and Clancy's future hung in the balance.

Clancy's attorney led a final attempt to stop a mistrial and compel the jury to reach a decision, but the attempt was unsuccessful. A hearing later this month may determine the next step in the case.

“At this point, I will declare that the jury is deadlocked, and I will declare a mistrial,” Judge William Sullivan told the jury on Friday.

The judge dismissed the panel members after weeks of hearing testimony, seven days of deliberations over Clancy's fate, and three signals from the panel that it was unable to reach a consensus.

The failure of a jury to agree, known as a "hung jury," does not mean that the prosecution has proven its case, nor does it mean that the accused is not guilty.

The court set a hearing for September 29, during which the prosecution may present its next steps in the case.

Meanwhile, the 36-year-old former nurse will remain in custody on the same murder charges, and will continue to reside in the mental health facility where she is currently detained.

Prosecutors can choose between several paths regarding the next step, including holding a new trial or reaching an agreement with Clancy to plead guilty to strangling her three children in their Massachusetts home: Cora, 5 years old, Dawson, 3 years old, and Callan, 8 months old.

After killing the children, Clancy cut herself with a knife and jumped from a second-floor window in an attempt to commit suicide, leaving her paralyzed.

Clancy does not deny killing her children in 2023, but she has pleaded not guilty to three counts of first-degree murder. Her lawyers say she was suffering from postpartum psychosis and should therefore not be held criminally liable for her actions.

The horrific case witnessed a series of dramatic developments during the jury's deliberations over Clancy's fate.

The court session on Friday began with Clancy's lawyer, Kevin Reddington, asking to exclude one of the jury members, after the jury indicated in a memorandum submitted the previous day that one of its members was not adhering to the instructions related to the principle of reasonable doubt.

Under US law, all members of the jury must be convinced that the accused is guilty “beyond a reasonable doubt” in order to be convicted of a crime.

This represents the most stringent standard of proof in the American legal system, as it requires the government to prove the guilt of the accused, rather than requiring the accused to prove his innocence.

The judge rejected the defense's request and returned the jury to deliberations, and after about an hour, the panel returned to inform the court that it was still unable to reach a decision.

Sullivan then said that he had no choice but to declare a mistrial, and Reddington immediately asked for a temporary halt to the proceedings, so that the defense team could file an urgent appeal before the Massachusetts Supreme Judicial Court.

In the memorandum, Reddington asked the state's highest court to issue an order to the judge to compel the jury to continue its deliberations, and to question its members regarding the juror whose adherence to his position was said to have led to the jury reaching a dead end.

But the state Supreme Court denied the request, paving the way for a mistrial.

Clancy appeared frustrated as the judge officially announced his decision, and a remarkable calm prevailed inside the courtroom.

Clancy remained expressionless, while her lawyer was clearly upset by the decision and continued to object, insisting that the judge had the authority to exclude the only juror who stuck to his position.

He said: "Unfortunately, his adherence to his position is not based on an issue raised in good faith."

Reddington added that he intends to file another request to reconsider the mistrial, which could be discussed during the next hearing later this month.

“No decisions will be made today,” Plymouth County Prosecutor Timothy Cruz said Friday about the next step in the case.

He added that he would meet with the rest of the prosecution team to determine whether to seek a new trial.

"The facts are that Lindsay Clancy killed her three children, and the evidence indicates in our judgment that she was in control of her actions when she committed the murders," Cruz said.

Outside court on Friday, Reddington said he believed 11 of the 12 jury members would have reached a decision in Clancy's favor had one member not stood his ground.

But it remains unclear what position any of the jury members took or what happened inside the deliberation room.

"You did a horrific, horrific act, and it couldn't get any worse," Trump said. "I assume there will be another trial."