South Yorkshire Police have said a missing 14-year-old girl from Doncaster was found after they followed a trail from Watford. John Bush had tried to check them into hotels across the country.
A plain clothes British Transport Police officer discovered the pair at a train station in London.
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A purse, mobile phone and a small quantity of cash was taken from the couple who were tied up after answering the door.
Craig Lewis, 54, was found guilty of child grooming, sexual assault and causing a child to watch a sex act.