Snapshot · The Megyn Kelly Show
Independent experts ultimately found the knife did not test positive for blood at all — the trace was more likely potato starch from cooking, not Meredith Kercher's DNA.
Where this was said
At 56:00 · chapter starts 47:00
The knife pulled from Raffaele's kitchen across town became the centerpiece of the prosecution — but Knox explains why it was forensically absurd. It didn't match Meredith's stab wounds, was found nowhere near the crime scene, and the trace DNA supposedly linking it to Meredith was processed in the same machine run as 50 other Meredith DNA samples, making contamination essentially certain. Independent experts at Knox's appeal eventually concluded it did not test positive for blood at all — the trace was more likely potato starch. The bra clasp bearing Raffaele's DNA was even more damning for the prosecution's credibility: it went undiscovered for over 40 days while police moved objects around the room without gloves. Meanwhile, a semen stain found beneath Meredith's body was never submitted for testing — Knox argues this was deliberate, because the prosecution had no interest in finding a male perpetrator when their entire theory centered on her. As she puts it dryly: 'I don't produce semen, so it wasn't relevant to them.'
The knife didn't match Meredith's stab wounds, was found across town in Sollecito's drawer, and the DNA trace on the blade was too small to be reliably identified. Independent experts concluded it more likely had potato starch on it. To believe it was the weapon, you'd have to believe Knox spontaneously carried a large kitchen knife across town.
The trace DNA allegedly linking Meredith Kercher to the knife was processed in the same run as 50 other Meredith samples, making contamination virtually certain according to independent experts.
Raffaele Sollecito's DNA was found on Meredith's bra clasp, but the clasp was only discovered over 40 days after the murder after police had been moving evidence around the room without gloves.
Raffaele's DNA appeared on a bra clasp not discovered until 40+ days after the murder, during which police moved evidence around the room without gloves. Meanwhile, a semen stain found beneath Meredith's body was never tested — because prosecutors were not interested in a case against a male.
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