Clarence Mitchell, spokesman for Kate and Gerry McCann, the parents of missing British girl Madeleine McCann, shows the sketch of a man during a news conference in London January 20, 2008, who is believed to have abducted Madeleine from the family's apartment in Praia da Luz in Portugal. REUTERS/Alessia Pierdomenico (BRITAIN) 

Clarence Mitchell, the spokesman of Kate and Gerry McCann, the parents of missing British girl Madeleine McCann, shows a sketch of a man believed to have abducted Madeleine from the family's apartment in Praia da Luz in Portugal, during a news conference in London January 20, 2008. REUTERS/Alessia Pierdomenico (BRITAIN) 

Clarence Mitchell, the spokesman of Kate and Gerry McCann, the parents of missing British girl Madeleine McCann, shows a sketch of a man believed to have abducted Madeleine from the family's apartment in Praia da Luz in Portugal, during a news conference in London January 20, 2008. REUTERS/Alessia Pierdomenico (BRITAIN) 

Clarence Mitchell, spokesman for Kate and Gerry McCann, the parents of missing British girl Madeleine McCann, shows the sketch of a man during a news conference in London January 20, 2008, who is believed to have abducted Madeleine from the family's apartment in Praia da Luz in Portugal. REUTERS/Alessia Pierdomenico (BRITAIN)