It extensively penetrated [[West Germany|West Germany's]] governing circles and military and intelligence services. The discovery in April 1974 that Günter Guillaume, a top aide to West German Chancellor Willy Brandt, was in fact an East German spy led Mr Brandt's resignation two weeks later.<ref>[http://news.bbc.co.uk/1/hi/special_report/1999/09/99/britain_betrayed/451031.stm ''Fearsome Stasi held nation in its grip''] [[BBC|BBC News]] 20 September, 1999. Accessed 30 January 2008</ref> The head of the Stasi's foreign intelligence division, '''Markus Wolf''', claimed that the [[CIA]] asked him to defect to the [[United States|US]] when the Wall fell, with the offer of a home in [[California]] and a "big salary".<ref> [http://news.bbc.co.uk/2/hi/europe/6131584.stm ''Stasi spy chief Markus Wolf dies''] [[BBC|BBC News]] 9 November 2006. Accessed 30 January 2008</ref> | It extensively penetrated [[West Germany|West Germany's]] governing circles and military and intelligence services. The discovery in April 1974 that Günter Guillaume, a top aide to West German Chancellor Willy Brandt, was in fact an East German spy led Mr Brandt's resignation two weeks later.<ref>[http://news.bbc.co.uk/1/hi/special_report/1999/09/99/britain_betrayed/451031.stm ''Fearsome Stasi held nation in its grip''] [[BBC|BBC News]] 20 September, 1999. Accessed 30 January 2008</ref> The head of the Stasi's foreign intelligence division, '''Markus Wolf''', claimed that the [[CIA]] asked him to defect to the [[United States|US]] when the Wall fell, with the offer of a home in [[California]] and a "big salary".<ref> [http://news.bbc.co.uk/2/hi/europe/6131584.stm ''Stasi spy chief Markus Wolf dies''] [[BBC|BBC News]] 9 November 2006. Accessed 30 January 2008</ref> |