Texas teen who killed four people in DUI gets probation because of 'affluenza' defense. David Mattingly reports.
David Mattingly walks us through the legal issues that George Zimmerman has faced since the Trayvon Martin trial.
CNN's David Mattingly takes a look inside the Devil's Den sinkhole.
CNN's David Mattingly visits a San Francisco shop that creates made-to-order ice cream in 90 seconds.
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