The workplace-culture reviews of the United States Federal Deposit Insurance Corporation (FDIC) illustrate why "tone at the top" is not merely a leadership concept; it is part of the control environment . Formal values, training and complaint channels can lose credibility when employees fear retaliation, senior leaders are perceived to receive different treatment, or management cannot produce reliable information about complaints and disciplinary outcomes. The case also demonstrates that culture reform requires more than a new policy. Reporting arrangements must be trusted, investigations must be independent, consequences must be consistent, and boards or equivalent oversight bodies must receive enough information to identify patterns that individual cases may conceal. Scope of the case brief This brief examines official reviews published between 2020 and 2025, remediation measures subsequently reported by the FDIC, and the status of relevant Office of Inspector Genera...