Police can hardly thwart a surprise gunman or hostage - taker , authorities say . This year , a gunman is killed by police after he takes four Georgia teenagers hostage . ` ` Tragic as these situations are , they are relatively rare , '' he says . Police in Fulton County , Georgia , are now working with extra awareness .
Training can hardly thwart a surprise gunman or hostage-taker , authorities say . This week , a gunman is killed by police after he takes four Georgia firefighters hostage . `` Tragic as these situations are , they are relatively rare , '' expert says . Firefighters in Gwinnett County , Georgia , are now working with extra awareness .