Update on Lindsay Clancy murder trial as former father-in-law testifies

Lindsay Clancy's former father-in-law testified in her murder trial Thursday. Clancy has admitted to killing her three children, but she's pleaded not guilty to first-degree murder charges, with her attorney arguing she was experiencing extreme postpartum psychosis. CBS News' Shanelle… Lindsay Clancy's former father-in-law testified in her murder trial Thursday. Clancy has admitted to killing her three children, but she's pleaded not guilty to first-degree murder charges, with her attorney arguing she was experiencing extreme postpartum psychosis. CBS News' Shanelle…