Police: Three sisters held captive for months in filthy conditions

It's another house of horrors, this time in Tucson, Arizona.

According to police, three girls, ages 12, 13, and 17, were kept locked in their bedrooms by their mother and step-father, forced to live in filthy conditions for as long as two years.

Police: 3 sisters imprisoned in Tucson home, tortured with music

Both parents were arrested yesterday after two of the sisters escaped and ran to a neighbor who called police.

Paul Vercammen is Outfront.