. >>> coming up -- >> robert wolford had a brother in the jail named bobby wolford. >> it's weird how [ bleep ] happens. >> we encountered not just 1 but two wolfords in jail. and later, the story of the missing girl named amanda makes national news and stuns millions. >>> i think one of the main reasons "lockup" has had such a long run on television is because we don't just feature the loudest inmates or the most violent inmates or the troublemakers. >> you are refusing to do what you're supposed to do. >> i didn't refuse nothing. i have my back to you! >> we go into prisons and jails across the country to try to find a cause and effect. producers start by asking the first question, which is -- >> what's the status? what are you charged with? convicted of? >> what did you do to get in here? then they ask the more important meaningful question. >> what happened? >> donald coleman's answer was concise. >> me getting in trouble, just being in and out of jail, getting in trouble. i was working for the military making good money. i screwed it up because i wanted to make fast money selling