According to the CAMS Study Guide, page 173, "If an independent investigation provides grounds to interview the employee, the employee can be interviewed and, if necessary, terminated, but not advised that he or she is under investigation by law enforcement." This is because informing the employee of the law enforcement investigation could compromise the integrity of the case and potentially expose the institution to legal liability. Therefore, option B is the correct answer.
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CAMS Study Guide, page 1731
CAMS Exam Questions and Free Practice Test, Question 2872

A compliance officer should cooperate with the law enforcement inquiry as much as possible, but also ensure that the request is valid, lawful, and does not violate any confidentiality or privacy obligations. Therefore, the compliance officer should collaboratewith the FI's designated department, such as the legal counsel, the senior management, or the board of directors, to determine the appropriate course of action to comply withthe request12. The compliance officer should also ensure that all communication, written and oral, is funneled through a centralized place, and that the FI maintains a record of the request and the response12.
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1: Requests by Law Enforcement for Financial Institutions to Maintain Accounts, FinCEN, 2014
2: Best Practices for Compliance and Enforcement-Related Information Requests, EPA, 2018 Reference: https://www.acams.org/en/resources/aml-glossary-of-terms

New business products should be evaluated for AML concerns before they are launched into the market. This is because new products may introduce new risks or vulnerabilities that could be exploited by money launderers or terrorist financiers. By conducting a pre-launch assessment, a financial institution can identify and mitigate these risks, design appropriate controls and procedures, and ensure compliance with the relevant laws and regulations. A pre-launch assessment can also help a financial institutionto align its AML strategy with its business objectives, and avoid potential reputational damage or regulatory sanctions.
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9 Things to Consider When Evaluating an AML Solution
CAMS Study Guide 6th Edition, page 38.

One of the main challenges of online banking is verifying the identity of customers who open accounts or conduct transactions remotely, without face-to-face interaction. This poses a higher risk of money laundering, as criminals may use false or stolen identities, or hide behind shell companies or nominees, to move illicit funds through online platforms. Therefore, online banking providers must implement robust and risk-based customer due diligence (CDD) measures, such as verifying identity documents, using biometric or digital verification methods, screening customers against sanctions and watchlists, and monitoring customer behavior and transactions for any red flags or anomalies.
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ACAMS Study Guide for the CAMS Certification Examination, 6th Edition, Chapter 2: Compliance Standards for Anti-Money Laundering (AML) and Combating the Financing of Terrorism (CFT), Section 2.2:
Customer Due Diligence (CDD) and Know Your Customer (KYC), p. 32-35.
eWallets: AML Risks & How to Comply1