Mafias abroad and foreign organised crime in Italy

Why talk about perception of organised crime? It should be specified whose perception, of what, or even better of which form of organised crime, and where. These are three fundamental elements to identify the problem because perception produces consequent attitudes and behaviors. If media perception could be separated from police forces perception, as well as from policy makers perception, the analysis would be enhanced because it would be possible to understand who influences who. This is quite difficult since it would require detailed analyses, which often lack adequate sources