Paul Walker's autopsy revealed

American actor Paul Walker presents a creation by Colcci during the 2013 Summer collections of the Sao Paulo Fashion Week in Sao Paulo, Brazil, on March 21, 2013. AFP PHOTO / Yasuyoshi CHIBA        (Photo credit should read YASUYOSHI CHIBA/AFP/Getty Images)

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    Paul Walker's autopsy revealed

Autopsy shows actor Paul Walker died of trauma and thermal injuries. CNN's Kyung Lah reports.