this won't go in her chart. but i think if you have this positive of a result you need to continue with this medicine for her. >> a medicine that keeps kara from hurting herself. but is also illegal in texas. >> there was a guilty feeling i had that was associated with it. you know, also fear of consequences. >> when kara turned 17, the zartlers decide they don't want to keep their secret anymore. they believe the only way to create change is to share her story. >> did anybody say, don't do this? >> yes. >> who? >> everyone. >> everyone. family members? >> yes. they all did. friends. >> because they were worried about the reaction. >> consequences, right. it was all about, well, you'll end up in jail over this. >> that's when they decide to have christy film kara having a