Detective Constable Mark Draycott has been a key part of the Operation Grange investigation since British police took over from Portuguese investigators 13 years ago.
The sensational development could mean for the first time detectives from Scotland Yard who have been investigating the 2007 disappearance of Madeleine will have to disclose what they know.
COURT SENSATION: Madeleine McCann suspect Christian Brueckner told me how he tied up a teenager for four days - and burgled homes on the Algarve while naked! theolivepress.es - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theolivepress.es Daily Mail and Mail on Sunday newspapers.
COURT SENSATION: Madeleine McCann suspect Christian Brueckner told me how he tied up a teenager for four days - and burgled homes on the Algarve while naked! theolivepress.es - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theolivepress.es Daily Mail and Mail on Sunday newspapers.
Christian Brueckner also faced former pal Helge Bushing in cour on Wednesday as the witness claimed the convicted paedophile was an expert at lock picking .