Lindsay Clancy, a 36-year-old former nurse from Massachusetts, is on trial for the murder of her three young children, whom she killed in the family's basement in January 2023. She does not dispute the killings, but her defence argues she was suffering from postpartum psychosis and did not know right from wrong at the time, while prosecutors contend her actions were calculated and intentional. The five-week trial has drawn intense public attention, and a jury of nine women and three men resumed deliberations on Monday to decide her fate.

Under Massachusetts law, prosecutors must prove beyond reasonable doubt that Clancy was criminally responsible, either by disproving her mental illness or showing she still knew her actions were wrong. Jurors face several possible verdicts: not guilty (considered highly unlikely), not guilty by reason of insanity (leading to indefinite psychiatric detention), first-degree murder (a mandatory life sentence without parole), second-degree murder (life with the possibility of parole), or manslaughter, a lesser charge involving killing without premeditation. Legal experts say the case ultimately centres on whether Clancy will spend the rest of her life in a psychiatric facility or a state prison.