Colonel Polzer sits next to a grafic showing the ground plan of a house in Amstetten
Colonel Franz Polzer (R), head of Lower Austria province criminal police, speaks next to a picture showing the ground plan of a house in Amstetten, where Josef Fritzl imprisoned his daughter for 24 years and fathered her seven children, in eastern Austria May 5, 2008. Fritzl, 73, has admitted keeping his daughter Elisabeth in a cellar for 24 years. Three of her children had spent their entire lives underground until the case was uncovered just over a week ago. The person at centre is unidentified. REUTERS/Herbert Neubauer (AUSTRIA)