By a combination of circumstances, a particularly original corpus from the point of view of media ethics is now available. It concerns the recording by the police of telephone conversations between a journalist and one of his sources. For the first time in the history of journalism in Switzerland - and perhaps even more widely - it is possible to have access, on a day-to-day basis, for several months, to the relationship between a journalist and his informant. This corpus sheds a harsh light on certain journalistic practices. For this investigator, the end justifies any means: he cheats, lies, threatens, betrays, coerces, insults, steals and intrigues. Journalistic ethics? He sits on it. What will the journalists themselves think? Will they think that a red line has been crossed and that the Yves Steiner/RTS case should be made an example not to be followed? This is what Dominique Giroud is seeking to find out by lodging a complaint with the Swiss Press Council, based on an audio-visual report (see below) that details the most outrageous excesses of this former RTS journalist, now an employee of the Swiss Federal Audit Office, the supreme supervisory body of the Swiss Confederation.