FILE — Forensic expert Johannes Vermeulen, right, is questioned by state prosecutor, Gerrie Nel, left, as he gives evidence in court in Pretoria, South Africa, Thursday, March 13, 2014, showing court exhibit of toilet door, in the Oscar Pistorius murder case. Pistorius shot his girlfriend Reeva Steenkamp more than a decade ago through the toilet door in a Valentine's Day killing that jolted the world and shattered the image of a sports superstar. (AP Photo/Alet Pretorius, Pool, File)