The closely watched trial of Massachusetts mother Lindsay Clancy has begun, more than three years after the deaths of her three young children shocked the nation.

Opening statements are set to begin Monday in the triple-murder trial of Lindsay Clancy, the Massachusetts mother who has argued she is not criminally responsible for fatally…

A Massachusetts woman has gone on trial in a case in which her lawyers are expected to argue that postpartum issues were the reason she killed her three children.