the tour will resume next month. two other couples facing charges for alleged imprisonment in tucson home. now we are learning new details about the girls' ordeal and how they escaped. trace gallagher with this unbelievable story. trace? >> minutes ago sheriff released horrifying details. we know the girls were 12, 13, and 17 years old. still very unclear exactly how long they were held anywhere from several months to two years. the girls had not seen their older sister because they were separated separated in leao years. the girls escaped out a window yesterday morning when their stepfather began chasing them around with a knife. they ran to a neighbor's house and called 911. the neighbor had no idea they even lived at the house. police say the girls were mal-nourished and filthy, claiming they hadn't taken a bath in six months. here is the police chief. >> there was means of which they were imprisoned by a variety of means,