Madeleine McCann suspect Christian Brueckner has reportedly been linked to more than 25 burglaries in the Portuguese resort where she vanished.
German investigators believe Brueckner, 43, killed Madeleine, then three, after abducting her from a holiday apartment in Praia da Luz in May 2007.
Detectives believe the convicted sex offender was behind a number of holiday apartment raids in the resort prior to Maddie's disappearance.
The unsolved break-ins, which happened in 2005, saw British victims targeted, including a model and her producer husband, The Sun reports.
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