He said that Litvinenko had shown the dossier to another business associate, Andrei Lugovoi, who had worked for the FSB and had passed the dossier to his superiors in Moscow. Shvets was interviewed about it by Scotland Yard detectives investigating Litvinenko's murder.
Litvinenko shared a dossier with a former FSB employee named Andrei Lugovoi, who then forwarded it to higher-ups in Moscow.  Shvets was questioned by Scotland Yard investigators regarding this matter.