>> herbert freeman taking care of his 91-year-old mother, ethel, infirm, and legally blind and lived through many other storms. when the floodwaters threatened their home, herbert decided it was time to leave. >> i said i am going to the super dome. the super dome is crowded. don't go there, go to the convention center. bring your mama to the convention center. that's what i did. i want to the convention center. >> he says he was told buses in the convention center were taking people out of new orleans. he wheeled her all the way there through floodwaters thinking they would be safe. at the convention center, however, there was no power. no air conditioning. no medical care. and most important of all, there were no buses. people were desperate for help including ethel and herbert freeman. >> we want help! we want help! >> i spoke to herbert in 2005 after the storm.