99.999% certainty
DNA recovered from saliva on two cigarette butts, a cloth and that retrieved from two of the women, matched the DNA taken from Shelembe.
She said that it was a 99.999% certainty that the DNA was that of Shelembe. "There is a 99.999% exclusion."
The DNA from Mchunu was retrieved from one of the women.
However, Mbambo's DNA did not match any of the samples sent by investigating officers and the district surgeon to the police laboratory in Pretoria.
She said Shelembe's DNA that was also found on the cloth was mixed with another person's DNA.
Suspect 'wiped himself down'
In testimony on Tuesday, one of the women testified that she had been raped twice by Shelembe and that after raping her he had wiped himself down.
"He rubbed himself off against it (the cloth) and also wiped me off with it," she said.
Earlier in the day the defence counsel for the three accused said their clients claimed that their alleged victims had seen pictures of their clients prior to the identification parade.
This emerged during cross-examination of the woman's testimony.
Advocate Abdul Khan said: "He (Mchunu) believes that you had sight of photographs taken of him by Inspector Basil Crouse and other policemen."
"I did not see such photographs before the line-up or after the line-up," the woman replied.
Weapons
On Tuesday she testified that each time she objected to being kissed by Shelembe while she was being raped for a second time, Shelembe pressed a silver Smith and Wesson revolver to her head.
Khan questioned how the woman was unable to remember what weapons Mbambo and Mchunu had in their possession.
"I was distracted by other things happening that evening," she replied.
Advocate Dean Govender questioned the procedures surrounding the identification parade.
The young woman described how she had "almost immediately" identified Shelembe at the identification parade held in early January.
Another of the three women was expected to testify on Wednesday afternoon.
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