By Debora Ely (Reuters) -A group of suspected scammers in Brazil using Instagram ads featuring deepfakes of supermodel Gisele Bundchen and other celebrities appears to have made millions of dollars through online fraud, according to police investigators. Authorities arrested four suspects tied to the scheme this week and froze assets across five states in an investigation that found over 20 million reais ($3.9 million) in suspicious funds identified by federal anti-money laundering agency COAF. The operation marks one of the first attempts in Brazil to counter the growing use of artificial intelligence tools to manipulate images and videos of celebrities for online scams. Brazil's Supreme Court ruled in June that social media platforms can be held liable for criminal ads posted by users if

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