>> some volunteers never left. ten days of construction to build ten homes. one for each year since katrina. >> roughly 98% of our population evacuated. since that time we've not simply built back new orleans, we have built it back better. >> whether it's recipients or volunteers, rebuilding is personal. >> it's going to allow us to be a stable family and work towards the future. >> just that feeling from today to ten years ago is really heartening to know that all the work leading up to this point has gotten us there. >> for more information on how to get involved, go to cnn.com/impact. there are disturbing details emerging about the gunman who killed those two young journalists in virginia. what else he had planned.