Lindsay Clancy's ex-husband, Patrick, is expected to testify on the first day of her murder trial today over the tragic deaths of their three young children.

As a Massachusetts courtroom grapples with one of America's most heartbreaking family tragedies, the father at the center of the case has quietly built a new life hundreds of…

Lindsay Clancy's ex-husband struggled to compose himself as he spoke about his kids in the murder trial over the deaths of the pair's three young children.