Christian Brückner: why prime suspect in Madeleine McCann case can refuse Met interview
International letter of request rejected by 49-year-old convicted rapist as he prepares to walk free

The prime suspect in the disappearance of Madeleine McCann has refused to be interviewed by the Metropolitan Police, just days before he is due to be released from a German prison.
Christian Brückner, 49, who denies any involvement in the case, remains the focus of investigations by British, German and Portuguese police nearly two decades on from the three-year-old’s kidnapping, which attracted global attention.
Who is he?
Described by The i Paper as a “drifter and a petty criminal”, Brückner was just a teenager when, in 1994, he was first convicted of sexual abuse of a child. A year later he fled to Portugal to escape custody before returning to Germany in 1999 to finish his sentence.
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He returned intermittently to Portugal after his release in 2000 and is currently serving a seven-year sentence for the rape of a 72-year-old American tourist in Praia da Luz in 2005, two years before McCann disappeared from the same Algarve town.
In October last year, Brückner was cleared by a German court of unrelated sexual offences, alleged to have taken place in Portugal between 2000 and 2017, and is due for release on Wednesday.
Why is he a suspect?
In 2020, Brückner was named as an official suspect in the McCann case by the German authorities.
The three-year-old disappeared from the Praia da Luz resort in 2007, sparking one of the most high-profile missing persons investigations of recent decades. The Met’s investigation, named Operation Grange, has cost more than £13 million.
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Brückner has always denied any involvement in the case and has never been charged, despite evidence he was in the area at the time.
German, Portuguese and British police have carried out a number of searches over the years, most recently in June when officers scoured 120 acres of scrubland east of Praia da Luz where Brückner was known to have spent time. Despite repeated efforts, authorities have found no trace of McCann or evidence directly tying her disappearance to Brückner. But they remain convinced he was involved, a claim backed up by a “former associate”, who told ITV News this week that he was "100% sure" Brückner had a hand in the kidnapping.
Speaking to the BBC in August, Hans Christian Wolters, the lead German prosecutor investigating the disappearance, said Brückner “is not just our number one suspect, he’s the only suspect. There is no one else.
“We have evidence which speaks against [Brückner], which indicates that he is responsible for the disappearance and the death of Madeleine,” he said. “We haven’t found anything in the last five years that exonerates [him]. We found evidence that strengthens our case. But in our view, it’s not strong enough to make a guilty verdict likely, and that’s why so far we couldn’t charge him or apply for an arrest warrant.”
What happened with the Met?
With Brückner due to be released on Wednesday, the Met Police had requested an interview that “for legal reasons” could only be done via an international letter of request, which he subsequently refused.
DCI Mark Cranwell, the senior investigating officer for Operation Grange, confirmed the German “remains a suspect in the Metropolitan Police’s own investigation” but “in the absence of an interview, we will nevertheless continue to pursue any viable lines of inquiry”.
German law enforcement authorities have already voiced concern that Brückner will soon leave prison and could flee the country, with Wolters saying the expectation was that he would “commit further crimes”.
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