Oscar Pistorius was a "deceitful" witness who lied repeatedly in his murder trial to present a version of events lacking "any truth," prosecutors said Thursday in closing arguments. Pistorius has pleaded not guilty to a charge of pre-meditated murder, and insists that he fatally shot his girlfriend Reeva Steenkamp on Valentine's Day last year because he mistook her for an intruder. Defense lawyer Barry Roux's will make his closing arguments Friday.
