. >> reporter: similar sentiments were shared by those who knew daniel coughman. >> everybody knew and loved him. the world will suffer from having one less person like him. >> reporter: 21 other victims were also injured in this tragedy. sources say five of the most severely injured are still now. >>> we're hearing the harrowing story of survival tonight from a co worker of the gunman. he says a trip to the bathroom saved his life. it was in there that he was hit with a blast, likely from bathroom wall. i turned back and lacked at the mirror. i can see that aim bloody here, here, and hear. and i don't know what it is. i announced the other people in the rest room, we're under attack. so the one that was beside me, i told him to get down on the floor, and we put our feet against the door to inhibit anybody from entering the rest room. >> into carry is also a medic, and he put those skills to work helping many of his wounded coworkers. >>> this gun massacre reigniting the debate over gun control. big city police chiefs, most of them would like fewer guns in the hands of everyone. but to