oh, my gosh. this is awful. >> reporter: a lot of people in joplin were suddenly and severely wounded. but the biggest hospital in town was in ruins. >> pretty much turned the page on disaster plans. >> reporter: risko at home on his day off rushed to the hospital. he arrived to find a building he hardly recognized. >> the hospital was on fire, blackened and the top of the roof was gone. the doors to the emergency room were blown open. >> reporter: now the newly wounded flooded into the hospital. >> they began running through and jumping over tables through our er doors that had busted open. i mean, they were bleeding profusely. immediately when i started seeing them, all fear is gone from myself. i mean, those patients needed us.