CNN CNN Special Report August 29, 2015 23:08:00
And so many years. and they're still, still the same. like it was yesterday. >> look it was yesterday. ten years later thashgs that's what so many ka tree that survivors will tell you it feels like. the memories still vivid. the pain still sharp. for so many, especially those who lost loved ones, it's like the storm never stopped. >> it's really hard to get an estimate. but i am sure it's 50% more than the -- than the official figure which is a round 1,800. >> john mudder study the effects of natural disasters at columbia university and says the official death toll from katrina is far too low....