Brian Sweeney, right, father of shooting victim Angie Sweeney, speaks on stage during candlelight vigil, in Sault Ste. Marie, Ont., Friday, Oct. 27, 2023. Earlier this week, a man killed four people -- including three children -- before turning a gun on himself in the northern Ontario city in what police are calling a case of intimate partner violence. THE CANADIAN PRESS/Robert Davies