Yuri Bezmenov (alias Tomas Schuman), a Soviet KGB defector, explains in detail his scheme for the KGB process of subversion and takeover of target societies at a lecture in Los Angeles, 1983.
Yuri Bezmenov was a former KGB propagandist who was assigned to New Dehli, India - and defected to the West in 1970.
Bezmenov explains his background, some of his training, and exactly how Soviet propaganda is spread in other countries in order to subvert their teachers, politicians, and other policy makers to a mindset receptive to the Soviet ideology.
He also explains in detail the goal of Soviet propaganda as total subversion of another country and the four-step formula for achieving this goal.
He recalls the details of how he escaped India, defected to the West, and settled in Montreal as an announcer for the CBC.
Note the segments starting at around 14 and 24 minutes into the video