The head of the Bulgaria's Ministry of the Interior informs Erich Mielke of developments in the criminal case against Sergei Antonov.

Willi Damm reports that the Bulgarian security agency is seeking information a Turkish arms dealer from the Stasi about.

Markus Wolf learns of the latest developments in the criminal case against Sergei Antonov.

The Bulgarian Communist Party rejects allegations from Italy and other Western powers that Bulgaria was involved in the attempted assassination of Pope John Paul II.

In this letter sent from Sofia to Erich Mielke, the author rejects that Sergei Ivanov Antonov had anything to do with the attempted assassination of Pope John Paul II.

Willi Damm conveys a recent message from a Bulgarian counterpart to Markus Wolf.

A Bulgarian intelligence official informs their East German counterpart of the "biased and false material" that alleges a Bulgarian connection to the attempted assassination of Pope John Paul II.

On 5 July 1963 the Bulgarian Ministry of Internal Affairs completed an information report on NATO's activity during the Cuban Missile Crisis. In the report, the ministry outlines detailed espionage carried out by NATO agents. According to the report, the NATO Military Intelligence Services provided instructions for NATO member-states' military attaches stationed in Warsaw Pact countries and agents they could get to cooperate with them. Agents were to observe and report specific military intelligence collecting in Warsaw Pact countries -- arms deliveries, missile sites, military movements, etc. The report also includes explanation of how the attaches carried out their intelligence gathering -- reading official press, speaking in Russian and misrepresenting themselves as Russian, etc . The Bulgarian Interior Ministry notes that Western governments were well-informed of Bulgarian military structures -- including exact formations and secret designations.

Turkish intelligence agents are trying to gather information on the uranium mining in southwest Bulgaria. They believe that the extracted deposits are shipped to the Soviet Union for further processing and production of nuclear bombs.

A report focused on the Turkish and Greek intelligence activities in Bulgaria. The report outlines the major areas of interest – the Bulgarian military infrastructure, economic development, and the Communist party leadership. The report also talks about the role of the Turkish diplomatic representatives in encouraging repatriation of Turkish-Bulgarians to Turkey.