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UK Police Follow New Leads in Madeleine McCann Case

Dan Kitwood/Getty Images(LONDON) --  U.K. police believe they may have uncovered new leads that could help in the search for Madeleine McCann, the little girl who went missing from her parent's hotel room in Portugal in 2007, when she was 3 years old.

According to London's Metropolitan Police, investigators have been able to "place more significance" on events of the night girl vanished.

Det. Chief Inspector Andy Redwood said Scotland Yard's investigation has "significantly changed the timeline" of the events of that night.

In an interview for the BBC television show Crimewatch, Redwood said investigators had poured over old information in the hopes of finding a new lead.

Police said they now have 41 people of interest in the case, 15 of whom are British.

"Primarily what we sought to do from the beginning is try to overthink back to zero if you like," Redwood said. "Try to take everything back to the beginning and reanalyze and reassess everything ... accepting nothing."

The Crimewatch show will dramatically recreate moments of the day that Madeline went missing and ask the British public for help in solving the case.

Madeline's parents, Gerry and Kate McCann, have spent the last six years searching for their daughter and drawing attention to their case. In an earlier interview they talked about some of the most difficult moments in coping with her disappearance.

"It's when you get the big family occasions ... that's it isn't it?" Kate McCann said. "[It's] a family occasion and you haven't got your complete family."

The Crimewatch television show airs Monday in the United Kingdom.

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