CNN CNN Special Report August 29, 2015 23:30:00
>> 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 co...