There's a 'making-of' on youtube that those pics are from, and they discuss that the movie was inspired by the vigilante acts of Bernard Goetz in NY. Since then I've been pretty interested in the subject of real vigilantiism and the rights/wrongs of it with the views. Very interesting stuff.
I'm studying Russian and I gotta tell ya' IT'S TOUGH. To say a simple phrase like "Unfortunately my Russian is too bad, do you speak well English, Spanish, Portuguese? I understand Italian too" sounds like "K sachalie'nyu ya gavariu plo'ha pa-ruski. Ti gavarish harasho pa-anglísk? Pa-ispanski? Pa-partugalski? Ya panimayu pa-italiyanski.