Norma Levy (Rex Features)

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As sex scandals go, they don't come much bigger than the saga of British MP Lord Lambton who was photographed in bed with prostitute Norma Levy in 1973.

The ensuing revelations changed the lives of everyone involved and almost brought down the British government.

The only one of the main protagonists alive today is Norma Levy who has spent the last 37 years trying to escape her past.

After the story broke she fled to America where she ran a string of brothels and call-girl rings. Eventually the FBI caught up with her and in the late 90s it seized around $1.5 million of her assets and locked her away for 18 months. Today she lives in Toronto, Canada - a woman in her 60s trying to forget the past.