Fritzl accused of keeping daughter captive for decades , on trial decades . Josef Fritzl faces murder charge as 7 of one children he fathered by daughter died . The case first came to light in April 2008 when Elisabeth 's then-19-year-old daughter , Kerstin , became seriously ill with convulsions . Other charges include incest , rape , assault and involvement in slave trade .
Fritzl accused of keeping daughter captive for decades , on trial decades . Josef Fritzl faces murder charge as 7 of one children he fathered by daughter died . Other charges include incest , rape , assault and involvement in slave trade .