Police know of at least 12 women who claim to be Madeline McCann, the most infamous of them all, Polish woman Julia Wandelt is about to be deported having been convicted of harassing the McCann family, including Madeline's siblings.

What drives people to believe they are the real deal in the cases of missing persons? Fraudsters, attention seekers or simply mentally ill obsessives who need treatment? This is half an hour of a grown up examination of imposters and the conspiracy theorists who, sadly, may never give up.