A team of 31 British detectives working to find Madeleine McCann . Maddie vanished from Portugal holiday apartment eight years ago . The McCanns have been living in a rented house on the outskirts of Praia da Luz, Portugal, since their daughter went missing and are believed to be hiding out at an undisclosed location with Madeleine's Operation Grange has cost the taxpayer £10million since 2011 . Not led to a single arrest and now facing calls for it to be axed .
A team of 31 British detectives working to find Madeleine McCann . Maddie vanished from Portugal holiday apartment eight years ago . Metropolitan Police tasked with investigating by David Cameron . Operation Grange has cost the taxpayer £10million since 2011 . Not led to a single arrest and now facing calls for it to be axed .