India, Aug. 12 -- Lindsay Clancy's trial is underway, with the Massachusetts mother facing three counts of murder in the killings of her children Cora, 5; Dawson, 3; and Callan, 8 months. The proceedings are taking place in a Plymouth, Massachusetts, courtroom.

Patrick Clancy, her former husband, took the stand on the first two days of the trial and testified about finding his kids fatally injured and Lindsay's struggles with mental health.

Patrick divorced Lindsay following the tragic murders of their children. During his testimony, Patrick recalled how he returned from running errands to his family's Duxbury, Massachusetts, home, and found his three children lying motionless in the basement, each with an exercise resistance band aroun...