The dossier of evidence against him includes phone calls between the soldier and his wife and friend intercepted during a months-long investigation into the Russian attack near the city of Izium last June. Bolvinov said this is just one of hundreds of alleged Russian war crimes that his team are currently investigating in the Kharkiv region alone, including the discovery of hundreds of bodies in mass graves in Izium. CNN reached out to the couple for comment on the legal process which is starting against the Russian soldier, but did not receive a response