At that time and at that paper, reporters were assigned towns to cover, and were responsible for finding interesting, important, entertaining, significant or whatever stories. The towns you got were called your "beat." Nobody wanted the townships Anders Gyllenhaal got because they were perceived as dull, with not much happening, at least compared to Atlantic City, which got gambling about that time, and other larger towns. Anders proved everyone wrong. He is an exceptional journalist, now heads up McClatchy's Washington, D.C., news operation and prior to that was executive editor of the Miami Herald.
"Loosen up" : Drop their reserve. Yes, they pretty much told him what they'd been through, because he was pleasant, engaging, nonjudgmental, and an excellent listener, that is, he heard the words and the message and had perfected the art of repeating what people said back to them in the form of a question, which quite often seems to trigger them to repeat what they said in new words and perhaps add some insight or elaboration.
Did that help? :-)