Speculation has increased since the news of Oscar Pistorius allegedly shooting Reeva Steenkamp emerged on Valentines Day.
Top detectives have begun piecing together the evidence.
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South African "Blade Runner" Oscar Pistorius (R) smiles with his girlfriend, model Reeva Steenkamp at an awards ceremony in Johannesburg November 4, 2012. Pistorius a double amputee who became one of the biggest names in world athletics, was charged on February 14, 2013 with shooting dead Steenkamp at his home in Pretoria. Picture taken November 4, 2012.
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