My small, rural North Texas town stood up two shelters. When the first buses pulled in they were greeted by folks to help them get through the paperwork bs. First though all passengers had to walk through a walled off tent. At the front of the tent was a note saying to drop all your drugs, guns and weapons into the barrels inside. No questions asked. There was a lot of stuff collected.
All in all those folks from Katrina were very decent. Not all but most.