failed to probe a possible sighting of Madeleine
McCann's abductor near her family's holiday
apartment, police case files reveal.
Margaret Hall was looking after a little girl in the
flat eight months before the McCann's arrived.
investigated a noise outside, she saw a shoe in the
cried out and a man stepped out shouting, 'No, no'.
Margaret said he
was almost certainly Portuguese.
detectives she returned to the apartment 'in a state
regarded the incident as 'outdated' as it occurred
so long before Maddie went missing, their
20,000-page dossier shows.