is it that involves three brothers, three young girls and sustaining this deception for ten years? >> well, it's rare, but we are seeing more and more of it. and you have to understand the motivation here is sexual. we don't call them hostages so much as sexually motivated captors and their captives. we have found actually the sexual dungeons where the women have been held for years and released. if they're above the age -- if they don't disappear when they're children, it really doesn't get much press. in the last few years we've had jaycee dugard. in austria, natasha campus and joseph fritzl and his daughter. how many more children have been abducted and are being held in dungeon situations? >> it's incredible. dr. landis, steven anthony said, i'm quoting him, these young ladies have provided us with the ultimate definition of survival and perseverance. i have to say, their suffering to me is unimaginable. how did they survive? >> i think that we've seen in