File photo 8/9/2012 of South Africa's Oscar Pistorius celebrating winning Gold in a new Paralympic Record time during the Men's 400m - T44 Final at the Olympic Stadium, London. The BBC will broadcast a new documentary telling the story of the athlete.,Image: 565807589, License: Rights-managed, Restrictions: EDITORIAL USE ONLY FILE PHOTO, Model Release: no

PRETORIA, SOUTH AFRICA - JULY 06: South African Paralympic athlete Oscar Pistorius arrives with security at the North Gauteng High Court to attend summary judgement on his trial on July 6, 2016 in Pretoria, South Africa.The Paralympic athlete killed his girlfriend on Valentine?s Day of 2013, when he fired a gun four times through a locked toilet door at his Pretoria home. Marco Longari / AFP / Pool / Anadolu Agency

FILE - In this Friday, Oct. 17, 2014 file photo, Oscar Pistorius is escorted by police officers as he leaves the high court in Pretoria, South Africa. Pistorius’ lawyers said Tuesday Feb. 27, 2015, that they will challenge a court decision to allow prosecutors to take the case to the Supreme Court seeking to convict the Olympic runner of the more serious crime of murder, for shooting girlfriend Reeva Steenkamp in 2013. (AP Photo/Themba Hadebe, FILE)

PRETORIA, SOUTH AFRICA - JULY 06: South African Paralympic athlete Oscar Pistorius sit on the chair at the North Gauteng High Court to attend summary judgement on his trial on July 6, 2016 in Pretoria, South Africa.The Paralympic athlete killed his girlfriend on Valentine?s Day of 2013, when he fired a gun four times through a locked toilet door at his Pretoria home. Marco Longari / AFP / Pool / Anadolu Agency