Clancy pleaded not guilty by reason of lack of criminal responsibility, asserting she did not dispute killing her children but claimed she lost her grip on reality due to postpartum psychosis. ^[1] Jurors in the trial of Lindsay Clancy will return on Tuesday for a fourth day of deliberations regarding the 2023 deaths of her three children. ^[2] Lindsay Clancy, a 36-year-old former labor and delivery nurse, is charged with the deaths of her three young children at the family's home in Duxbury, Massachusetts. ^[3] On 2026-09-01, the jury in Lindsay Clancy's murder trial told Judge William Sullivan it could not reach a unanimous verdict after four days of deliberation; Sullivan instructed it to continue deliberating. ^[4] Prosecutors contend that Clancy understood what she was doing and made a conscious decision to kill the children. ^[5] Defense attorney Kevin Reddington argued during the trial that Clancy's deteriorating mental health, worsened by inadequate psychiatric treatment and excessive medication, caused her to lose contact with reality. ^[6] Postpartum psychosis is described as a condition where a mother loses touch with reality and is unable to distinguish right from wrong. ^[7] The defense argues that Lindsay Clancy was suffering from severe postpartum psychosis. ^[8] The trial is currently unfolding in Plymouth Superior Court. ^[9]