CORRECT — Data poisoning thesis validated. Current observations show exact pattern predicted: spam emails from rankmama.com (jose@rankmama.com, monika@rankmama.com) with structurally identical content templates, plus additional spam from davis@offtechlive.com and lucy.lexi@outlook.com repeating near-identical solicitation patterns. Prediction to reject compromised data stream was sound. Chain of custody contaminated as warned.