Gallery: Oscar Pistorius trial Day 25

Oscar Pistorius cradles his head in his hands as he listens to forensic evidence being given in court in Pretoria. Photo: Alet Pretorius/AP

Oscar Pistorius cradles his head in his hands as he listens to forensic evidence being given in court in Pretoria. Photo: Alet Pretorius/AP

Oscar Pistorius cradles his head in his hands as he listens to forensic evidence being given in court. Photo: Alet Pretorius/AP

Oscar Pistorius, front, gets a hug from his brother, Carl, back, in court. Photo: Alet Pretorius/AP

File photo: Oscar Pistorius stares ahead as he yawns in court while listening to forensic evidence. Photo: Themba Hadebe/AP

Forensic expert, Roger Dixon, left, holds a court exhibit, a magazine rack, as he answers questions put to him by chief state prosecutor Gerrie Nel. Photo: Themba Hadebe/AP

Defense expert witness Roger Dixon holds a prosthesis during the murder trial of Oscar Pistorius in court. Photo: Themba Hadebe/Reuters

June Steenkamp, center, mother of Reeva Steenkamp, bows her head while listening to forensic evidence. Photo: Themba Hadebe/AP

A prosthetic leg is handed to the court. Photo: Alet Pretorius/AP

Oscar Pistorius yawns as he listens to forensic evidence being given in court. Photo: Alet Pretorius/AP

Oscar Pistorius, with unidentified relative leaves the high court in Pretoria. Photo: Themba Hadebe/AP