Police searching for clues in the hunt for evidence relating to missing Madeleine McCann are reportedly looking for a camera with pivotal evidence on it.
They are reportedly looking to locate a video camera which they say may have images of Madeleine, in addition to potential other victims who could have been set upon by the same suspect, The Mirror reported.
As asked by German investigators, police in Portugal searched the surrounding area of the Arade dam and reservoir, about 30 miles from Praia da Luz for three days — the area where Maddie was last seen alive in 2007.
Read More: Officers rush to Portugal for Madeleine McCann hunt as divers search remote lake
The reservoir was alleged to be convicted German rapist Christian Brückner's personal lair, who is the chief suspect in her possible murder.
Police looked all over the area after "certain tips" were sent on to German prosecutors concerning Brückner.
New details suggests officers were searching for a camera containing vital photo evidence.
A criminal informer told German prosecutors that personal items obtained in the 2007 raid at Brückner's home may have been discarded into the reservoir.
Manfred Seyferth and Helge Busching, two witnesses, allegedly told German investigators they entered into Brückner's house during the time he was locked up.
Seyferth said the pair discovered a gun and a video camera at the rural house in Floral, where Brückner lived, not far from the reservoir.
He has said he had no involvement in Madeleine's disappearance.
German police have not disclosed what initiated the latest search operation, but the prosecutor for the city of Braunschweig, Christian Wolters, revealed they were responding to tips, sparking the first search in nine years.
Several evidence bags were seen being removed from the scene and police said the search "resulted in the collection of some material that will be subject to the competent expertise", and that it would "be handed over to the German authorities".
Searches ended on Thursday with the reported discovery of a "relevant clue" as the area at the centre of the operation was revealed.
Wolters told German public broadcaster NDR the new information had not come from the suspect and they did not have a confession or "any indication from the suspect of where it would make sense to search".
Brückner is currently in prison for raping a 72-year-old woman in the same area of the Algarve from where Madeleine went missing.
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