A believable review can still deserve a closer look, but suspicion alone is not a reason to remove it. In our synthetic example, 15 reviews are linked by the accounts' shared product histories. Eleven show little writing anomaly. Looking only at the wording leaves much of that relationship unexplained. Campaign Firewall brings the account connections into view and routes all 15 for human review. That is a request to examine the evidence, not a completed investigation. No review is removed, and the links do not establish who wrote the reviews or whether anyone was paid. For teams checking review-fraud alerts, the useful questions are: what connects these accounts, and what action does that evidence support? Keeping those questions separate helps protect a brand without treating every suspicious pattern as a verdict. This demonstration uses synthetic data and thresholds fitted on it. Performance on new data still needs validation. #ReviewFraud #TrustAndSafety #BrandProtection #ContentModeration