Oscar Pistorius case: Police adds to the Reeva Steenkamp 'murder' confusion

Detective Hilton Botha's often confused testimony left prosecutors rubbing their heads in frustration as he misjudged distances and said testosterone banned for professional athletes in some cases was found at the scene, only to be later contradicted by the prosecutor's office.

The second day of what was supposed to be a mere bail hearing almost resembled a full-blown trial for the 26-year-old runner, with his lawyer, Barry Roux, tearing into Botha's testimony step by step during cross examination.

Police, Botha acknowledged, left a 9 mm slug from the barrage that killed Reeva Steenkamp inside a toilet and lost track of illegal ammunition found inside the house.

And the detective himself walked through the crime scene without wearing protective shoe covers, potentially contaminating the area.

Authorities, Roux asserted, were selectively taking "every piece of evidence to try to extract the most possibly negative connotation and present it to the court."

The case has riveted South Africa, with journalists and the curious crowding into the brick-walled courtroom where Pistorius, dubbed the Blade Runner for his prosthetic legs, faces a charge of premeditated murder in the Valentine's Day slaying.

Pistorius says he mistook Steenkamp for an intruder and shot her out of fear, while prosecutors say he planned the killing and attacked her as she cowered behind a locked bathroom

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