Closing arguments begin in Massachusetts trial of mother accused of killing three children

Jurors in Plymouth, Massachusetts, are set to hear closing arguments in the trial of Lindsay Clancy, who is charged with the 2023 murders of her three children. The defense will argue that Clancy suffered from postpartum psychosis, a severe mental-health condition that can cause hallucinations and delusional behavior, and therefore should not be held criminally responsible. The prosecution maintains that Clancy acted intentionally and rationally, presenting evidence from more than 70 witnesses to counter the psychosis claim.

During the first week of the trial, jurors visited locations tied to the case, including a CVS where Clancy’s ex-husband purchased medication, a restaurant where he obtained takeout, and the family home in Duxbury, where they were allowed to view the interior but not open drawers or closets. Defense witnesses described Clancy as a devoted parent who experienced extreme mental illness and inadequate medical care, while prosecutors emphasized the deliberate nature of the killings.

The courtroom saw a sizable public presence, with many attendees arriving early in the morning and some wearing pink in support of the defendant. Reporters and members of the public gathered outside the courthouse as the proceedings began.