A photo of the corresponding document was published by the newspaper El Periódico.
It is noted that the fake document was registered in the name of 33-year-old Igor Shevchenko from Donetsk.
At the same time, Kuzminov’s facial features in the photograph were not changed.
The discovery of a man's corpse in Spain became known on February 19.
It was reported that Kuzminov could have been killed, but this information was not confirmed by official sources.
A number of officials in Russia, including Medvedev, spoke out about the incident.
The newspaper El Mundo reported that the Russian defector spent at most several days in the municipality of Villajoyosa, where his body was found.