Yakut ASSR. Tourists in the halls of the exhibition. Exhibits of the exhibition: miniature cameras, pistols; listening devices; walkie-talkie; a balloon with the help of which anti-Soviet literature was thrown into the territory of the Yakut ASSR; pocket machine gun and others. One of the stands displays the slogan "Political vigilance is the patriotic duty of Soviet people." Photos, documents at the stands. Caption under one of the photographs: "State security officers are leading the detainee."