Fritzl.

The monster threatened his captives he would gas them to death if anything happened to him. Authorities are looking into it to see if the house was capable of gassing the captives or whether Fritzl was talking out of his butt in order to intimidate them.

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But in a separate development, the officer leading the investigation, Colonel Franz Polzer, said that Mr Fritzl had forced Elisabeth to write a letter last year which indicated that he may have been planning to release her from the cellar.

Colonel Pozler said that DNA testings proves that Elisabeth had written the letter to her family - who had been told by Josef that she had fled to a cult. In it, she wrote that she wanted to come home," but “it’s not possible yet".

“He may have had plans to end the captivity at some point,” the officer said.

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He often spent entire nights in the cellar.
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Questions abound about police bungling in this case. Many are not convinced Fritzl acted alone.
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