so we have to attack this problem from a lot of different angles. >> woodruff: and joe shapiro, thatns family members, that means medical professionals, educators, anyone who comes in contact with these folks. >> right, and these are people who come in contact with lots of people, they rely on lots of people in their daily lives to -- we're talking about not just family but staff people and drivers, and it's one reason why they're so vulnerable they deal with so many outside people. you know, in our numbers that we got from the justice department show that people with intellectual disabilities are much less likely to be sexually assaulted by a stranger. for women in general, most people, sexual assault is by someone you know. for women in general, 24% of times, the person who commits the sexual assault is a stranger, 24% of the sometimes. but for people with intellectual disabilities, 14% of the time, it's a stranger. >> woodruff: nancy thaler, the fact that it is family or someone you know makes this all the much harder to deal with, doesn't it? >> harder to deal with and often hard