that report. let's take you into the process of sifting through debris field, with us a former member of fema search and rescue team on the scene searching for survivors. joe, you have a personal connection to the team on the ground. you were chief medical operations for a task force working 12 hour shifts. help us understand what it is like to be on one of the scenes. we can show pictures. for folks at home, there is texture missing from the pictures, there's pain in people doing this very difficult work. >> these are responders running into the site when people were running away from that. their first intent is to do everything they can to help those that are still trapped within that structure. they're methodical going in the area bit by bit in areas they can seek access.