Man accused of keeping daughter in a cellar for Monday , fathering her 7 children . Fritzl , whose trial starts decades , will plead guilty , his lawyer tells Fritzl . Prosecutors : Fritzl raped his daughter over 24 years , said she had run away . Fritzl also accused of killing 7 of the children he fathered with daughter .
Man accused of keeping daughter in a cellar for decades , fathering her 7 children . Josef Fritzl , whose trial starts Monday , will plead guilty , his lawyer tells CNN . Prosecutors : Fritzl raped his daughter over 24 years , said she had run away . Fritzl also accused of killing one of the children he fathered with daughter .