Despite being released from prison in 2011 and completely exonerated in 2015, there is one person in Amanda Knox‘s life who still believes she was involved in the murder of her roommate, Meredith Kercher.
Knox was arrested, alongside her then-boyfriend Raffaele Sollecito, in 2007 after her British roommate was found dead in their home in Perugia, Italy, where they were both on study abroad years.
Throughout the high-profile case, and several appeals and retrials, Knox was painted as a “she-devil” who manipulated Sollecito and accused the pair of killing Kercher in a “drug-fueled sex game gone awry.”
However Knox and Sollecito were released from prison in 2011 after spending four years behind bars spanning from their 2007 arrests through their 2009 conviction. After yet another appeal, they were officially exonerated when an Italian court ruled that Rudy Guede, a man who admitted to the killing in 2007 after his DNA was found at the crime scene, had acted alone in killing Meredith.
While Knox has since shifted the public’s opinion of her through documentaries, two books and, now, Hulu series The Twisted Tale of Amanda Knox, there are still some people who believe she was connected to Kercher.
One of those people is someone Knox has said she has grown close with, regularly exchanging greeting cards and personal life updates — Giuliano Mignini, the prosecutor in her case.
Mignini, who served as both the lead prosecutor and investigator in Kercher’s murder, told The Telegraph in 2022 that he still believes Knox was present at the crime scene when Kercher was killed but has formed a bond with the woman he once faced off against in court.
“Amanda has changed a lot and I think I can say that I know her,” he said. “We have different ideas about the trial that involved us, but now I have a good opinion of her.”
Why Does Mignini Think Amanda Knox Is Guilty?
Mignini has long cited Knox’s allegedly strange behavior after Kercher’s murder as proof that she killed her roommate. “I have to remind you that her behavior was completely inexplicable,” he said in 2016 Netflix documentary reexamining the case. “Totally irrational.”
“Amanda was a girl that was very uninhibited,” Mignini said, leaning into his theory that Knox, Sollecito and Guede killed Kercher in a sex game. “She would bring boys home – and hearing Meredith’s friends, if you could imagine a girl different from Amanda in every imaginable way, it would have been Meredith.”
Mignini later met with Knox during her return to Italy in 2022, a meeting that plays a central role in in the Hulu drama series Knox produced.
In March 2025, Knox told People why she met with Mignini in 2022, saying, “My goal was to understand him… there was this deep curiosity in me to try to understand this person who decided that I was a dangerous person, who deserved to spend the most years of my life in prison.”
She described Mignini as a “boogeyman” figure in her life. “Whether directly or indirectly, he kept being a presence in my life because he was the one who portrayed me as this girl gone wild, who out of the blue murdered her roommate,” she said.
“And that rippled through my life. And he was, for so long, this very big, scary sort of omniscient presence that just had power over my life and who had sort of diminished me into a pawn in his game. And so, I felt like I didn’t have agency in my life primarily because of him, Dr. Giuliano Mignini.”
Knox said meeting Mignini helped her feel “free” and the pair have formed a friendship of sorts.
Before you go, click here to learn more about Amanda Knox’s infamous return to Italy in 2022.
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