Siblings while growing up in south central l.a., worked his own way though law school. and now as a prosecutor seeks out sound advice from someone who has seen it all -- his own grandmother. >> i have dinner every wednesday at my grandmother's house. >> reporter: the first female african-american judge appointed in alameda county. >> i've never had a case that i haven't spoken to her about, and run ideas by her in terms of trial presentation, closing arguments, things like that. i always run it by her. >> reporter: but this case was special. ford's grandmother was struck by the les' devotion t...