Downfall: Why did Oscar Pistorius pull the trigger?

Nicknamed the Blade Runner, Oscar Pistorius, the South African athlete was lauded for his sporting achievements the world over. But he would soon become a fallen hero since the killing of Reeva Steenkamp on Valentine's Day in 2013. The Indo Daily's new 'Downfall' series finds out more. Host: Siobhán Maguire. Guest: John Carlin.

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