After the publication of the Panama Dossier, the law firm Mossack Fonseca undertook a detailed study of its Russian clients.
Why the former head of the Russian Railways Vladimir Yakunin found himself in the hotspot with the British press?
"Putin's entourage" siphoned off about $2 billion from Russia through a network of banks and shadow companies, according to the International Consortium for Investigative Journalism (ICIJ).