http://www.dsnews.ua/world/delo-litvinenko---orudie-britanskoy-diplomatii-21012016174600
http://gordonua.com/news/politics/Sokursnik-Putina-eks-razvedchik-KGB-YA-budu-v-shoke-esli-Obama-Kemeron-i-Merkel-pozhmut-ruku-Putinu-ubiyce-Litvinenko-116423.html