Amanda Knox's ex-boyfriend Rafaelle Sollecito, speaking with Anderson Cooper Monday, said he feels he's a victim of guilty by association because of his former ties to Knox, a reviled figure in his home county, after an Italian court last week upheld their 2007 murder conviction.

"I'm guilty just because in their minds I have to be guilty," the 29-year-old said, "because I was her boyfriend -- it doesn't make any sense to me."

With Seattle native Knox in the states -- and seemingly free and clear of any extradition worries -- Sollecito said he believes he's essentially a fall guy in the international controversy.

"I'm trying to be as positive as possible in a situation like this -- it's very traumatic, the situation here now. But on the other side, I still have to fight. I have chosen to be here and to fight against this ordeal," he said. "I don't know what to think, because objectively, there's nothing against me and