asada and essendon

Article in Herald Sun today stating that Essendon players and officials to be charged and potential lifetime bans.
Now personally I am over this, but how the hell do these "leaks" keep occurring???
Whether it is the AFL/ASADA/Government etc, it is extremely unprofessional if proved correct and if proven incorrect these journalists should lose their jobs. In what other industry can you lie, protect your "source" and get away with a slap on the wrist????????