Fritzl's forgotten victim? Austrian monster is linked to the unsolved rape and murder of girl, 17, whose body was found opposite his newly discovered old guesthouse
- Josef Fritzl owned and ran the Seestern guesthouse with his wife in the lakeside town of Unterach am Mondsee
- On the 12th of November 1986, a teenager who looked remarkably similar to Fritzl's own daughter, disappeared
- Martina Posch was found ten days later, her body wrapped in green plastic sheets on the shores of the Mondsee Lake opposite the guesthouse
Austrian monster Josef Fritzl has been linked to the unsolved rape and murder of a girl whose body was found opposite his old guesthouse after the new tenant discovered 'hollow spaces' in the building
Austrian monster Josef Fritzl has been linked to the unsolved rape and murder of a girl whose body was found opposite his old guesthouse after the new tenant discovered 'hollow spaces' in the building.
Fritzl - who fathered seven children by raping his captive daughter in a dungeon - owned and ran the Seestern guesthouse with his wife in the lakeside town of Unterach am Mondsee from 1973 to 1996.
Now the 82-year-old is being linked to a notorious cold case, which took place in the area.
On the 12th of November 1986, a teenager who looked remarkably similar to Fritzl's own daughter, disappeared.
The tragic 17-year-old, Martina Posch, was found ten days later raped and murdered, her body wrapped in green plastic sheets on the shores of the Mondsee Lake right opposite the guesthouse.
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The rape and murder of the teenager was never solved.
Miss Posch's grey purse, an ID card and a bunch of keys, a blue jacket and a pair of black ankle boots were never found.
On the 12th of November 1986, Martina Posch (left) - a teenager who looked remarkably similar to Fritzl's own daughter Elisabeth (right), disappeared
Fritzl - who fathered seven children by raping his captive daughter in a dungeon - owned and ran the Seestern guesthouse (pictured) with his wife in the lakeside town of Unterach am Mondsee from 1973 to 1996
In the period when the Fritzls occupied the guesthouse, it burnt down twice before finally being rebuilt.
Josef Fritzl was even investigated as a suspected arsonist but the police could never prove anything.
The current tenant of the guesthouse Helmut Lang has called on the local authorities to investigate.
Construction workers unearthed hidden areas while measuring the property in the lakeside town in Austria.
The tragic 17-year-old, Martina Posch, was found ten days later raped and murdered, her body wrapped in green plastic sheets on the shores of the Mondsee Lake (pictured) right opposite the guesthouse
The current tenant of the guesthouse Helmut Lang has called on the local authorities to investigate
Fritzl ran the Seestern before leaving for Amstetten, where he would rape daughter Elisabeth more than 3,000 times in a sound-proofed dungeon.
An anteroom with a staircase leading nowhere was discovered behind a wall during the inspection, which was required due to the former guesthouse never receiving a building permit.
Lang added: 'There are hollow spaces everywhere in the house.'
According to local media the Seestern was never properly inspected by police even after they learned about Fritzl's crimes in his next property.
Fritzl ran the Seestern (pictured) before leaving for Amstetten, where he would rape daughter Elisabeth more than 3,000 times in a sound-proofed dungeon
Fritzl's house in Amstetten was bought by Herbert and Ingrid Houska for only €160,000 (£143,581).
They renovated the building, which includes multiple flats, and have rented out all 10 of the spaces.
Herbert Houska said he saw the refurbishing of the house was like burying a coffin.
'The sarcophagus of Amstetten is gone,' he said.
'I think really something beautiful has emerged and the past has been buried.
'Many residents congratulate me and are happy.
Fritzl changed his name in May to avoid being identified by other inmates while he is serving life for rape and murder
'It is time to finally look forward.'
Only the basement of the complex where Elisabeth was held is not in use as the Amstetten authorities filled it in to prevent it from becoming a shrine to other perverts.
When Fritzl owned the house none of the tenants knew about the tragedy that was playing out beneath them in Fritzl's self-constructed dungeon.
Fritzl, who recently changed his surname to Mayrhoff so that other prisoners might not recognise him anymore, is serving life for murder and rape at Austria's most secure psychiatric prison.
The murder charge was in relation to the death by negligence of one of his sons.
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