It was in May 2007 that Madeleine McCann — a British girl who was about to turn four — vanished while she and her parents were on holiday in Portugal. Her disappearance quickly became one of the year’s top news stories.

“I never in a million years thought it could have been Madeleine. … It was just complete shock and complete horror that I might have seen Madeleine being abducted,” says Jane Tanner, one of the McCanns’ dinner companions the night of Madeleine’s disappearance, in her first public interview on 48 Hours Mystery reported by correspondent Peter Van Sant.

Someone somewhere knows what happened to MM. It’s a story that captured the world and terrified parents all over the world. Two years ago, two years ago, little Madeleine vanished on a family vacation in Portugal. She was only 3 years old.

A special programme examining why the disappearance of three-year-old Madeleine McCann turned into one of the biggest media events in the world.