A judge declared a mistrial last week in the murder case against Lindsay Clancy, ending a closely watched proceeding in Plymouth County without a verdict and leaving major questions about the case unresolved. Clancy was charged in connection with the January 2023 strangulation deaths of her three young children. Her trial took place in Plymouth, Massachusetts, and was televised, drawing sustained public attention to the evidence, the jury’s deliberations and the role of postpartum psychosis in criminal cases. More than 80 witnesses testified during the proceedings. The case ended after jurors were unable to reach a unanimous decision, including at least one holdout juror, according to an account of the trial presented Sept. 13. The mistrial has prompted renewed questions about what happened inside the jury room and what a future prosecution could look like. It has also exposed a broader divide in public understanding of postpartum psychosis, a rare but serious condition associated with hallucinations, delusions and a break from reality after childbirth. The Clancy case has become a focal point in an evolving national conversation about maternal mental health. Advocates and clinicians have pressed for better screening, faster access to psychiatric care and more support for new parents, while criminal proceedings involving postpartum mental illness raise difficult questions about intent, responsibility and the limits of punishment. Because the trial ended without a verdict, the allegations against Clancy remain unresolved. The mistrial does not determine guilt or innocence, and any next steps will depend on decisions by prosecutors and the court.