A member of the special division of the Moscow to fall from the height of the fifth floor during the demonstration exercise, hastily organized for the American police.

The man  suddenly collapsed and died on the spot . The accident happened on April 14 in the north-west of the Moscow .

The guest of the Moscow riot police was from the US state of Florida, John Mark Dugan, who had asked for political asylum in Russia after it started pressures at home because of human rights activities.