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.

The report covers the work of Bulgarian intelligence operatives in the West for the last 18 months. Includes statistics by country.

The Ministry of Internal Affairs reports its intelligence findings on the military cooperation between the US, Greece and Turkey.

Conclusions of the Investigation Case #179/1982 against Mehmet Ali Agca. The indictment contains details of the Bulgarian investigation of the assassination attempt against John Paul II.