“Despite the active investigation, the detectives at the moment could not identify and locate the driver and the minibus. The investigation suggests that the driver has information that could help, ”RIA Novosti reported in Scotland Yard.

According to the police, investigators interviewed 1,800 witnesses, attached 400 statements of testimony to the case, collected 1,200 clues and watched 2.2 thousand hours of video from surveillance cameras.

Earlier, the Russian Embassy in London demanded that the British Foreign Office provide official information about the investigation into the death of Glushkov.

March 12 marks exactly a year since Glushkov’s death in London.

Scotland Yard first called his death "inexplicable", and later announced that the man died from strangulation and that the incident was qualified as murder.