'Walking Dirty Bomb' Tells of London Meetings By Anna Sadovnikova, Hans Hoyng, Thomas Hüetlin and Uwe Klussmann A few days before he was put in quarantine in a Moscow hospital, Russian businessman Andrei Lugovoi, believed to be one of Scotland Yard's main suspects in the killing of Alexander Litvinenko, spoke to DER SPIEGEL about his meetings with the former spy. Russian businessman Andrei Lugovoi during an interview on Ekho Moskvy radio in Moscow, November 23. Andrei Lugovoi, 40, former KGB agent, currently a kind of mini magnate in the Russian soft drinks industry, is the man British investigators believe left...