younger sister camille is also evident in dan's videos. as camille becomes a teenager, she no longer seems to want to acknowledge michelle or even have her around. >> we were always bumping heads. we weren't as close. because of the drugs. she'd come over and steal my things or, you know, i would see how upset it would make my dad. so i would tell her, you know, mean things. >> reporter: before long michelle valdez stopped showing up in her father's videos. sometimes because she avoided the camera. other times because she simply didn't show up. >> she knew that there was events at the house because she'd call and ask if she could borrow $25, she was hungry or whatever. she was at -- you know, at a hurting spot. so i gave her the money. >> even though you knew -- >> even though i knew that it could be going for drugs.