it names and shames individuals who are supposedly enemies of the russian state. lugavoi's high profile here is one reason that many people who suspect him of murder don't think he acted on his own. another reason, all of the polonium 210 in russia is under the control of the state. >> it's impossible to use a state controlled substance like this without the knowledge of the very top of the country because you're unleashing a radio active substance. it's a tiny little dirty bomb. >> it is nuclear terrorism. coming up -- where does this trail really lead? of all of his enemies litvinenko may have infuriated one more than any other. >> i said that this is a very dangerous thing to do because you're personalizing this. [ crickets chirping ] [ light music playing ] you've wished upon it all year, and now it's finally here.