one of the men scotland yard believes conspire to poison former agent alexander litvinenko. e been negotiating an interview for weeks. he agreed, then backed out, then finally, sat down with us. what did you think of litvinenko? were you friendly. would you consider yourself france? >> i have always said that we have never been friends. he was a very complicated person. slightly crazy, i would say. he was given to conspiracy theories. to blowing things up out of all proportions. >> he and litvinenko both used to work for the fsb. both had served time in jail. it was a bond between them. had lugovoi done very well in business after that and open a security consulting firm. he says he and litvinenko met several times in london to discuss doing business there together. including that now infamous meeting in the pine bar, were scotland yard says litvinenko was poisoned. lugovoi says the meeting was no big deal. so what do you remember about sitting there at the table? >> i remember that we talked with litvinenko about nothing in particular. and now for eight years, i am under sus