Clinic in south los angeles. this is where he regularly meets with ella, director of behavorial health. she's trying to unlock the causes of his angst. >> choose one marker. >> reporter: about to begin an art therapy session with carlos to help him express things going on in his life. you might be wondering why a family would allow a camera into a private therapy session like this. carlos' mother says she believes it's critical that people understand how important these services are. >> family fights. is that's what's happening in this picture here? >> yes. >> yeah. >> this is my mom. >> that'...