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Oscar Pistorius sits in the dock during his murder trial at a court in Pretoria, South Africa, Friday, March 14, 2014. Pistorius is charged with the shooting death of his girlfriend Reeva Steenkamp, on Valentines Day in 2013. (AP Photo/Phill Magakoe, Pool)

Pistorius murder trial - Former police commander testifies

Col. G.S. van Rensburg, former police official who was at the scene of the crime, went on the stand to testify. His testimony gives the defense an advantage since Van Rensburg has been accused of mishandling evidence by taking the pieces of the broken door back to his office.

Van Rensburg resigned after accusations about mishandling evidence were made.