College Student ACCUSED of 'AI Cheating' on Turnitin, Receives F Grade

A Turnitin AI percentage is a statistical probability estimate, not forensic proof. In 2026, Turnitin highlights suspected AI generation in Cyan and suspected AI paraphrasing (like Grammarly Pro rewrites or QuillBot) in Purple. To overturn a false flag, request the full highlighted PDF from your instructor, isolate the exact flagged paragraphs, and present your Google Docs Version History, source reading trail, and a live 5-minute oral defense.