The Jews therefore answered him, "What sign do you show us, seeing that you do these things?"
John was baptizing, we read, in the wilderness, and multitudes of people were going out, being attracted by this man. And so in Jerusalem, the religious leaders got upset, "This guy's out there baptizing and we didn't send him out there and he doesn't have our authority." And they sent the priests and Levites out to ask the guy, "Who are you anyhow?" And this is the record of John.