Christian Brueckner, the man suspected of abducting Madeleine McCann, faces being charged with the 2004 rape of an Irish tour rep on the Algarve.
The German national is suspected of attacking Hazel Behan in her apartment in Praia da Rocha, three years before Maddie was snatched.
Police hope to charge Brueckner in the next 12 weeks. He is currently serving a seven-year sentence for raping a 72-year-old American in 2005 and was named as the prime suspect in the Madeleine McCann case in June last year.
The man suspected of abducting Madeleine McCann faces being charged with the 2004 rape of Irish tour rep Hazel Behan, 37, (pictured) on the AlgarveInsurance Loans Mortgage Attorney Credit Lawyer
Christian Brueckner (pictured left) left Portugal after Madeline McCann (pictured right) disappeared on May 3, 2007. He is the prime suspect in the case
German prosecutor Hans Christian Wolters said the case against Brueckner was 'in a good way' and that he was 'hopeful for a charge'.
Wolters explained there were stark parallels between the attack on Ms Behan, the rape of an American tourists - for which Brueckner was convicted - and the 'abduction and murder of Madeleine McCann.'
He said: 'In each case the person has come into the person's apartment or property by breaking and entering, often not through the door.'
However, Wolters said he was unable to confirm whether police are working on the assumption Maddie's abductor entered the hotel room through the window, rather than the unlocked balcony doors, the Sunday Times reported.
Ms Behan was raped in apartment in Praia da Rocha, Portugal, in 2004 (building exterior pictured)
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Ms Behan was attacked in the resort town of Praia da Rocha, which is around 20 miles away from Praia da Luz - where Madeleine was abducted in 2007
Ms Behan, who waived her right to anonymity in June 2020, had demanded police reopen her case after she discovered it had striking similarities with the rape of the American, for which Brueckner was convicted in December 2019.
She told the Guardian at the time: 'My mind was blown when I read how he had attacked a woman in 2005, both the tactics and the methods he used, the tools he had with him, how well he had