After a span of two days, he granted her increased freedom of movement by fastening the chain around her waist. Subsequently, approximately six to nine months into her captivity, he decided to remove the metal chain due to it impeding his sexual activities with his daughter, as stated in the indictment.

During her imprisonment, he subjected her to sexual abuse and rape, often multiple times a day, starting from the second day of her confinement and continuing until her release in April 2008.
Throughout a period of almost twenty-five years, he committed the heinous act of raping her on no less than 3,000 occasions, resulting in the birth of seven children who were forced to witness the abuse as they grew older. Three of these children were confined underground, never experiencing daylight until their liberation in April of the previous year.

Three other children mysteriously appeared on Fritzl and his wife, Rosemarie's, doorstep in their residence in Amstetten, located west of Vienna. Fritzl informed the community that Elisabeth, his daughter, had left them there, having delivered them to him and Rosemarie from her sect, with the intention of raising them as their own. Astonishingly, this deceitful act managed to evade the suspicions of both Rosemarie and the Austrian authorities.

The doctors saved Elisabeth