The picture the rescue team brought of Ben could have been taken in one of the Dharma labs on the island.
Obvioulsy Ben has pissed off some of the Dharma people back on the mainland.
He killed the members on the island. Do you remember that episode? He was in a van, the same van that was later found by Hurley, with his father. He opened some kind of can and everyone who wasn't wearing a gas mask died.