Active reserve (KGB) officers with a military rank who worked undercover in the Soviet Union. "Trusted contacts" were high placed civilians who collaborated with the KGB without signing any official working agreements, such as directors of personnel departments at various institutions, academics, deans, or writers and actors. Informers were citizens secretly recruited by the KGB, sometimes using forceful recruitment methods, such as blackmail. The precise number of people from various categories remains unknown, but one of the estimates was 11 million "informers" in the Soviet Union, or one out of every eighteen adult citizens The active reserve was established by Yuri Andropov in
KGB and by 1981 even sent a letter accusing the Reagan administration of plotting to overthrow President Zia and his regime. The letter also mentioned that after Mujib was assassinated the United States contacted Khondaker Mostaq Ahmad to replace him as a short-term President. When the election happened in the end of 1979, the KGB made sure that the Bangladesh Nationalist Party would win. The party received 207 out of 300 seats, but the Zia regime did not last long, falling on 29 May 1981 when after numerous escapes, Zia was assassinated in Chittagong. The KGB started infiltrating Afghanistan as early