All any reporter knows about the accident is what the press agent has said  Ttherefore, if the press agent told every reporter everything about the accident, then no reporter knows any more about it than any other reporter  If no reporter knows any more about the accident than any other reporter, then no reporter can scoop all of the other reporters  However, the press agent did not tell every reporter everything about the accident
It follows that some reporter can scoop all of the other reporters
Some reporter may have been told something about the accident that the reporter tells all of the other reporters.