My proposal would be: If there was a clear, proven, intention of cheating and not just an error (we all commit stupid errors sometimes), the letter or communica

My proposal would be: If there was a clear, proven, intention of cheating and not just an error (we all commit stupid errors sometimes), the letter or communication of the people disclosing it will receive the same citation rank that the fake article had accumulated until that date. Good for the journals, good for the research.