Lunatics don’t resort to politically motivated crimes for the simple rationale because they are lunatics and they have a limit of political comprehension. So that’s ruled out. An angry guy from just around the corner acting on his own! Well, the consequences are extremely high as of what might happen to him afterwards as the whole nation will turn against him and his family no matter whether he is in prison or elsewhere. Bur recruited agent with a powerful foreign backing whom will be released for treatment on humanitarian grounds is most probable development. South Stream Gas Pipeline will give Italy total independence from US because it is shared project between Italy and Russia and it will strengthen their economy for a long time to come with hundreds of thousands directly created new jobs and hundreds of thousands indirectly created new jobs. This is a prospect worth disrupting for outside forces. On the other hand, Nabucco pipeline will further enslave Italy and EU because it is US owned and operated project designed to impose an upper hand on the country. Energy dependant country is politically dependant as well.