`` It was pure human error and a terrible thing that occurred , '' Bob Full , chief of emergency services for Allegheny County , told CNN affiliate WTAE . ` Eric Kelly , James Mayhle and Paul Kelly III were shot to death Saturday . 911 operator failed to tell police about guns in Pittsburgh home . Official says dispatcher may have believed guns were n't ' in dispute . Dispatcher is on paid administrative leave .
Eric Kelly , James Mayhle and Paul Kelly III were shot to death Saturday . 911 operator failed to tell police about guns in Pittsburgh home . Official says dispatcher may have believed guns were n't ' in dispute . Dispatcher is on paid administrative leave .