The hunt for Madeleine McCann 15 years on

Madeleine McCann was nearly four when she disappeared from her family's rented holiday apartment in Praia da Luz on the Algarve coast. Fifteen years on from her disappearance, the authorities have named their main suspect but, as Sky News exclusively discovered, he has an alibi he says can be backed up.

This is how the hunt for Madeleine McCann has unfolded, told by Sky News crime correspondent Martin Brunt.

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