. >> reporter: that's what happened to cheah. couldn't afford a lawyer for a civil case and maryland police never pursued criminal charges. >>> fast-forward to the scorn striking back an american woman took the fight to the u.k. christy chambers said her former boyfriend recorded video of them having sex and uploaded it to a porn site while he was in england. the u.s. has an anti-important law, chambers is the first to pursue criminal action under it >>> next when everything was not enough to keep her daughter safe. >> i was always with her. >> reporter: you wanted to do everything to keep her safe? >> yes >>> children living with autism and the impulses put them at risk. why a surprising number bolt even from those that would keep them safe. and where they run. and an investigation into a health care tragedy. next week on "america tonight" mothers too poor to deserve proper care from doctors. >> they knew it was wrong. they knew that they were preying upon a vulnerable population and they felt they could be sacrificed. >>> the i