Rodney Johnston coerced the woman into having sex with multiple men over three decades while he took photographs and filmed the abuse.

Up to 1,000 men could have been involved in sex parties and encounters at ‘dogging sites’ where the victim was exploited into participating against her will over a 30 year period, a court heard.

Police are investigating whether others abused woman at hotel and 'dogging site' meet-ups (Image: Newsquest)

Johnston, of Rushall Road, Starston, near Harleston, was found........

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