KGB his regime of having ties with the United States. In August 1979, the KGB accused some officers who were arrested in Dhaka in an overthrow attempt, and by October, Andropov approved the fabrication of a letter in which he stated that Muhammad Ghulam Tawab, an Air Vice-Marshal at the time, was the main plotter, which led the Bangladesh, Indian and Sri Lankan press to believe that he was an American spy. Under Andropov's command, Service A, a KGB division, falsified the information in a letter to Moudud Ahmed in which it said that he was supported by the American government
KGB Council chairman. In the 1980s, the glasnost liberalisation of Soviet society provoked KGB Chairman Vladimir Kryuchkov (1988–91) to lead the August 1991 Soviet coup d'état attempt to depose President Mikhail Gorbachev. The thwarted "coup d'état" ended the KGB on 6 November 1991. The KGB's main successors are the FSB (Federal Security Service of the Russian Federation) and the SVR (Foreign Intelligence Service). The GRU (military intelligence) recruited the ideological agent Julian Wadleigh, who became a State Department diplomat in 1936. The NKVD's first US operation was establishing the legal residency of Boris Bazarov and the illegal residency of Iskhak Akhmerov