- Associated Press - Wednesday, September 7, 2011

PERUGIA, Italy (AP) — American student Amanda Knox won another battle in her quest to overturn a conviction for murdering her British roommate in Italy when an appeals court rejected a prosecutor’s request Wednesday for more DNA testing.

The decision is good for Knox because it means that an independent review of DNA evidence — previously ordered by the appeals court and hugely favorable to Knox — will stand. It deals a blow to prosecutors, who had sought to counter the results of that review, which harshly criticized how genetic evidence was used in the case.

The ruling by Judge Claudio Pratillo Hellmann also clears the way for closing arguments, which are set to begin Sept. 23 with the prosecution going first, followed by civil plaintiffs and the defense. Further retesting would  inevitably have extended the 10-month-long trial, now set to end in late September or early October.

Knox’s father, Curt Knox, said his daughter was starting to see “the light at the end of the tunnel.”

However, Knox’s lawyer, Luciano Ghirga, warned that the court’s rejection of new DNA testing was not equal to a positive outcome of the whole appeals trial.

Knox was convicted in December 2009 of sexually assaulting and murdering her British roommate, Meredith Kercher, while they were studying in Perugia. Knox was sentenced to 26 years; Raffaele Sollecito, an Italian who was Knox’s boyfriend at the time, also was convicted and sentenced to 25 years.

Both always have maintained their innocence and are appealing the lower court’s verdict.

Without a clear motive or convincing witnesses, the DNA evidence is crucial, and much of the appeals outcome hinges on it.

In the first trial, prosecutors maintained that Knox’s DNA was found on the handle of a kitchen knife believed to be the murder weapon and that Kercher’s DNA was found on the blade. They said Sollecito’s DNA was on the clasp of Kercher’s bra as part of a mixed trace that also included the victim’s genetic profile.

Those findings always were disputed by the defense, and the appeals court agreed to nominate two independent experts to review the evidence. In a 145-page report, the experts found that much of that evidence was unreliable and possibly contaminated, that police had made glaring errors in evidence collecting, and that the below-standard testing raised doubts over the attribution of DNA traces.

The review was at the center of several fiercely debated hearings in the Perugia courtroom, with police and prosecutors defending the original investigation.

Judge Pratillo Hellmann said the discussion had been thorough enough for the court to form an opinion. New testing would be “superfluous,” he said, rejecting the request made earlier in the day by Prosecutor Manuela Comodi.

The prosecutor said she was disappointed, though not surprised by the decision.

“One separates from one’s husband, and therefore one could certainly have separated from the wrong experts,” she told the ANSA news agency. Ms. Comodi earlier said in court that the experts were “inadequate” and “unreliable.”

The defense said the prosecutors simply were moaning over a review that had not gone in their favor. They pointed out what they said was the “paradox” of a prosecution originally opposed to having new tests, now wanting more.

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