Does a district attorney have the power to request supporting documentation for a SAR?

They are law enforcement.

Examples of agencies to which a SAR or the information contained therein could be provided include: the criminal investigative services of the armed forces; the Bureau of Alcohol, Tobacco, and Firearms; an attorney general, district attorney, or state’s attorney at the state or local level; the Drug Enforcement Administration; the Federal Bureau of Investigation; the Internal Revenue Service or tax enforcement agencies at the state level; the Office of Foreign Assets Control; a state or local police department; a United States Attorney’s Office; Immigration and Customs Enforcement; the U.S. Postal Inspection Service; and the U.S. Secret Service. For additional information, refer to Bank Secrecy Act Advisory Group, “Section 5—Issues and Guidance,” The SAR Activity Review—Trends, Tips & Issues, Issue 9, October 2005, page 44 at www.fincen.gov.

What about the state adult protective services group?

It would depend on whether they are law enforcement or social services. Do officers of the state adult protective services group have the power to arrest people?

Not to my knowledge, but neither does at attorney general, district attorney, OFAC or the post office. Try another theory.

How do you mean that?

The SAR Activity Review—Trends, Tips & Issues, Issue 9, October 2005, page 44 says:

Generally, an “appropriate law enforcement agency”
is any agency that has jurisdiction under federal or state law to investigate or prosecute any person or entity involved in the transaction reported on the Suspicious Activity Report.

Because this issue was written priort to the directive on elder financial exploitation, would it not be reasonable that an state adult protective services group would have the ability to investigate and/or prosecute persons involved in the SAR?

OK - arrest and/or prosecute.

If all they can do is report to another law enforcement agency to actually act, then they are a social services group and not law enforcement.

The answer will be found in the laws of your state. In mine, the state's social services people have the power to investigate, but they do not even have the power to subpoena documents and certainly do not have the power to arrest or prosecute. If they believe a case for some type of fraud exists they bring it to the attention of the local authorities.

girlsrope2, as with many federal agencies, the state agency may have an OIG that does have law enforcement authority. You just need to check it out.