Ex-husband testifies as trial begins for mother accused of killing three children

In a Massachusetts courtroom on Monday, the trial of Lindsay Clancy — a mother accused of killing her three young children — began with the quiet devastation of a father taking the stand. His testimony opened the prosecution's case, marking the moment when private grief and public justice converged. The proceedings arrive after months of legal preparation, carrying with them the weight of three small lives and the enduring human question of how tragedy finds its way into ordinary homes.