Arnold accepted invitations to be a FIFA guest at last year's World Cup in Russia, and at the body's annual congress in Mexico City in May 2016. The chief prosecutor in the Upper Valais region was also linked to brokering meetings between Infantino and Swiss federal prosecutors who have investigated FIFA for more than four years, before Infantino was elected in 2016.
The special counsel's office says it has dismissed suspicions Arnold accepted benefits in connection with his work. Infantino said in November he broke no FIFA rules by extending invitations to a friend.
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