Wire stripping is the process of removing or altering the identifying information associated with a wire transfer to make it difficult to trace the origin or destination of the funds. This technique is commonly used in money laundering schemes to conceal the illicit source of funds and avoid detection by authorities or sanctions screening systems. In this case, the bank's operations team deliberately removed the reference to the sanctioned company from the wire transfer message, thus violating the FinCEN "Travel Rule" and facilitating the evasion of sanctions.
References:
* Wire Stripping in Anti Money Laundering Parlance
* Wire Transfer Red Flags: Understanding Money Laundering and Fraud Risks
* Wire Stripping

Financial institutions (FIs) are required to cooperate with law enforcement agencies (LEAs) in their investigations of money laundering, terrorist financing, and other financial crimes. However, sometimes LEAs may submit requests for information or documents that are overly broad, unduly intrusive, or unreasonable in scope or volume. Such requests may pose challenges or risks for FIs, such as violating customer privacy, compromising data security, disrupting business operations, or incurring excessive costs.
The most appropriate response for an FI in such a situation is to narrow the request through a prompt response to the LEA. This means that the FI should communicate with the LEA as soon as possible to clarify the purpose, scope, and relevance of the request, and to negotiate a more reasonable and proportionate request that meets the LEA's needs and the FI's capabilities. The FI should also explain the potential difficulties or consequences of complying with the original request, and propose alternative or additional sources of information that may be more useful or accessible. The FI should document the communication and the agreed terms of the request, and comply with the request in a timely and accurate manner.
By narrowing the request through a prompt response, the FI can demonstrate its good faith and willingness to cooperate with the LEA, while also protecting its own interests and obligations. This can help avoid or resolve any conflicts or misunderstandings between the FI and the LEA, and facilitate a more efficient and effective investigation.
References:
Requests by Law Enforcement for Financial Institutions to Maintain Accounts EFFECTIVE SUPERVISION AND ENFORCEMENT BY AML/CFT SUPERVISORS OF THE FINANCIAL SECTOR AND LAW ENFORCEMENT Bank Secrecy Act/Anti-Money Laundering: Requests by Law Enforcement for Financial Institutions to Maintain Accounts Support of Law Enforcement ACAMS CAMS Certification Study Guide 6th Edition

Reference: https://www.fdic.gov/regulations/laws/rules/8000-1600.html