What is true regarding disclosure to a law enforcement agency by a financial institution of...

 Before disclosing any supporting documentation for a suspicious transaction report (STR) to a law enforcement agency, the financial institution should confirm thatthe request is legitimate and authorized by verifying the identity and credentials of the requester1. This is to prevent unauthorized access or misuse of the confidential information by impostors or fraudsters. The other options are not true, as they may either compromise the security, integrity, or timeliness of the disclosure, or violate the confidentiality or privacy rights of the customer.

ACAMS, CAMS Examination Study Guide, 6th Edition, Chapter 4, p. 117

FATF Guidance: The Role of Hawala and Other Similar Service Providers in Money Laundering and Terrorist Financing, October 20132, p. 20

Basel Committee on Banking Supervision, Sound management of risks related to money laundering and financing of terrorism, June 20173, p. 11