You're working on a huge story, and in a secret meeting with a source. Your source is skeptical of your trustworthiness, and you of the source's ulterior motives. The individual reveals to you, the reporter, information that is in the supreme interest of the public. One caveat: The source demands anonymity.
Anonymous sources have long been a matter of debate in the journalistic world. Without them, many important stories would remain untold. But when sources remain anonymous, journalists' credibility is weakened.