Former South African track star Oscar Pistorius will be released from prison on parole later Friday, almost 11 years after the murder of his then-girlfriend Reeva Steenkamp. The Olympic and Paralympic athlete killed the 29-year-old Steenkamp, a law graduate and model, with four shots through the bathroom door of his villa in Pretoria on Valentine’s Day night in 2013. The sprint star, who has been a double-amputee since infancy, was sentenced to 13 years and five months in prison following a trial that riveted South Africa and was followed closely around the world. During the trial, Pistorius t…