The Hidden Hand
14th November 1991Unquiet Graves
21st November 1991Ratlines
28th November 1991Bloody Sunday
5th December 1991Murder in Mississippi
12th December 1991Secret History was a long-running British television documentary series. Shown on Channel 4, the Secret History brandname was used as a banner title in the UK, but many of the individual documentaries can still be found on US cable channels without the branding. It can be seen as Channel 4's answer to the BBC's Timewatch.

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