Madeleine McCann's abductor may have been caught on camera by a spy plane on a training exercise for Nato, it was claimed today.
Military expert Philip Burden said highly-detailed aerial pictures were taken of the Portuguese coastline on the day the child went missing six-and-a-half years ago.
Mr Burden, a former Ministry of Defence employee, claimed the Portuguese Air Force then passed on the film to Portuguese police investigating Madeleine's disappearance.
It is believed the spy cameras used are so detailed they can pick out the registration number on a car if a good image is taken.
If high quality images are available, detectives could use them to piece together what happened on the day Madeleine disappeared, he said.