Transcript for Erin Brockovich recalls how she uncovered a water crisis in a small California town
It started with and bringing in box. Files so I've started look at. And I became curious by what I saw. They're Louis medical workers in there and I saw them like this blood work what's weird. Why they're T cells you know off future you what's wrong with your rent like count. And that's he's as well Monday sending you want my colleagues and she's you know talk to about this okay. All right this and she comes in would be stilettos and this blond hair issues like six but dying in all and selling everything looked. I'll never get in the living room she kept all these records she had a business suit k.s. It we just started to talk. I can remember. At a very early age both my daughters used to have severe knows me. I mean it was just continuous. Blood it started coming out of her her eyeballs. And it just like that freaked me out and I you know it's cyclical let's see explanation to lead. I never. Every time that when I got involved in Hinckley then I was putting my finger in the dike to stop the flood hit knowing flipped.
This transcript has been automatically generated and may not be 100% accurate.