He didn't know because there was nothing TO know; it's not an official site and he only heard late yesterday afternoon that there were people hanging out there.
You tried to characterize it as if there was a shelter that FEMA didn't know about.
No, I didn't. I tried to characterize it as a place with thousands of people needing help that FEMA didn't know about, and that it was.
FEMA's job is to find people who need help and render that help. That's the job. They can do it, or they can't.