The Duxbury child killings case, in which Lindsay Clancy murdered her three children, is undergoing trial in Massachusetts. Clancy pleaded not guilty to three charges of first-degree murder, but is claiming a lack of criminal responsibility, as her defense team is emphasizing the 13 psychiatric medications that allegedly caused her postpartum psychosis. The Spectacle Podcast host Scott McKay is joined by podcast producers Grace Keller and Madely…