expert, Roger Dixon, left, holds a court exhibit, a
magazine rack, as he answers questions put to him by
chief state prosecutor Gerrie Nel , right, during
the murder trial of Oscar Pistorius, in Pretoria,
South Africa, Thursday, April 17, 2014. Pistorius is
charged with the murder of his girlfriend, Reeva
Steenkamp, on Valentines Day in 2013.
South Africa — The prosecution in Oscar Pistorius'
murder trial on Thursday challenged the credibility of an
expert witness for the defense, which was trying to show
that the athlete killed his girlfriend by mistake.
Dixon was called by the defense to give evidence to
support Pistorius' story that he killed girlfriend Reeva
Steenkamp by accident thinking she was an intruder behind
the door about to attack him.
is charged with premeditated murder for shooting Steenkamp
multiple times on Feb. 14, 2013. Prosecutors say that he
killed Steenkamp after a fight.
has been adjourned until May 5.
his cross-examination, Prosecutor Gerrie Nel said Dixon,
the third witness to be called by Pistorius' defense, had
no expertise in some areas where he was testifying and
also had not been thorough in some of his examinations.
the prosecutor criticized Dixon, a geologist, for not
using the exact height of double-amputee athlete Pistorius
when standing on his stumps.
is something I omitted. I overlooked it at the time,"
Dixon replied when questioned why his measurements were
around 20 centimeters (8 inches) off in a test to see if
Pistorius' head and body would have been high enough to be
seen by neighbors through a bathroom window. He said he
was not trying to "mislead" the court.
a former policeman and an expert in the analysis of
materials at crime scenes. His testimony touched on
ballistics, gunshot wounds, pathology and blood spatter,
and he also said he was involved in audio and visual
tests. He conceded he is not an expert in any of those
bearded university researcher was subjected to tough
questioning by Nel and has been ridiculed on social media
and in the South African media for trying to be an expert
in areas where he was not qualified.
Thokozile Masipa will ultimately deliver a verdict.
Pistorius faces 25 years to life in prison if convicted on
the premeditated murder charge.