By — Stephanie Sy Stephanie Sy By — Azhar Merchant Azhar Merchant By — Katie Marlow Katie Marlow Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/what-is-postpartum-psychosis-the-condition-at-the-center-of-lindsay-clancys-murder-trial Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Audio The murder trial of Massachusetts mother Lindsay Clancy has brought attention to a rare but severe mental health condition. Clancy killed her three children and attempted suicide in 2023. Her defense says she was experiencing postpartum psychosis, which can affect one’s grip on reality, but prosecutors say she acted intentionally. Stephanie Sy discussed more with Dr. Julia Riddle. Listen to this Segment Watch Watch the Full Episode PBS NewsHour from Aug 06, 2026 By — Stephanie Sy Stephanie Sy Stephanie Sy is a PBS News Hour correspondent. Throughout her career, she served in anchor and correspondent capacities for ABC News, Al Jazeera America, CBSN, CNN International, and PBS News Hour Weekend. Prior to joining News Hour, she was with Yahoo News where she anchored coverage of the 2018 Midterm Elections and reported from Donald Trump’s victory party on Election Day 2016. By — Azhar Merchant Azhar Merchant Azhar Merchant is Associate Producer for National Affairs. @AzharMerchant_ By — Katie Marlow Katie Marlow