Note : Hospitalized incest daughter 's condition is grave but stable , police say . Fritzl imprisoned and raped daughter , also killed her child , police say . Wife of Hans Fritzl was too scared to question him , her sister says . ` The mother and the smallest child have , in just the last couple of days , increased their sensitivity to light , '' Dr. Berthold Kepplinger said . Fritzl 's wife insisted on keeping family healthy , according to her sister .
Note : Hospitalized incest daughter 's condition is grave but stable , police say . Fritzl imprisoned and raped daughter , also killed her child , police say . Wife of Hans Fritzl was too scared to question him , her sister says . Fritzl 's wife insisted on keeping family healthy , according to her sister .