3 kids killed, mom clinging to life after ambush by gunman at New Mexico home

Investigators are trying to piece together the final moments of three children who were killed when they arrived home with their mother to find a gunman waiting inside their Albuquerque, New Mexico home, officials said Tuesday. Albuquerque Mayor Richard Berry described the shooting as s "senseless and tragic act of violence," and called for the city to come together. -- More...