Josef Fritzl - the man who imprisoned and abused his daughter for more than two decades, fathering seven children with her - is fighting to be released from prison. Now suffering from dementia, a psychiatric report last year said Fritzl was no longer dangerous, despite being sentenced to life in prison for his horrific crimes. #60Mins Full stories and more on 9Now: https://stream.9now.com.au/1oaVXyWEQPb | 60 Minutes Australia