Two uniforms, one deadly morning: How this firefighter and former soldier is reflecting on 9/11

Twenty-five years after the terror attacks of Sept. 11, 2001, Shawn Matheson recalls viewing them through two different lenses: as a firefighter in Mississauga, Ont., and as a Canadian reservist. The tragedy would take him to funerals at Ground Zero, foreshadow the war in Afghanistan and reveal the lasting emotional cost borne by soldiers and first responders alike.