Oscar Pistorius trial reveals dangerous history with guns

      |In a week of dramatic testimony in the Oscar Pistorius murder trial, the court heard damaging evidence of Pistorius' reckless gun behavior. The prosecution is building up a case that Pistorius is a gun-obsessed, violent man, who killed his girlfriend, Reeva Steenkamp, in a violent fit of rage. Debora Patta reports.

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