Code word: Madagascar

Legal Insurrection: "College Professor’s Clever AI Trap Uncovers Rampant Cheating" - “The average grade was 96, with 40 students obtaining a perfect score. That compared to a midterm average ranging between 65 and 80 in previous years.”

Genius: he posted in white text a nonsense instruction to include the word "Madagascar" in an essay about the Industrial Revolution.  Thirty-two students just cut and pasted it into AI and spit out an essay they didn't even bother to proofread.