5. Thatcher received warning about CIA's activities in UK Margaret Thatcher was warned that the CIA did not always give sufficient advance notice when it carried out operations in Britain.
Paddy Ashdown, a Liberal MP, complained to Thatcher about the US intelligence organisation's activities in the UK in November 1984.
Ashdown was worried about clandestine approaches made by US agents to British computer firms in this country and abroad to prevent eastern bloc countries obtaining western computer secrets by stealth.