Key moments from the Lindsay Clancy trial as the defense starts to make its case

Lindsay Clancy has admitted killing her daughter and two sons but has pleaded not guilty to murder, saying she was experiencing postpartum psychosis.

Lindsay Clancy has pleaded not guilty to murdering her children, but her attorneys don't deny that she caused the deaths of 5-year-old Cora, 3-year-old Dawson and 8-month-old Callan.