I was afraid of that when you mentioned the closing. You did what you could do.
Consider whether you have a reporting requirement to the state as well. Even though federal examiners will not examine for compliance with state requirements for reporting financial exploitation of the elderly, they like consistency. Reporting in one vein suggests a strong possibility that you need to report in the other.
I dealt with a bank recently where a single individual had made it her personal mission to report financial exploitation to the state and provide support to investigators, but never plugged the activity into the SAR filing process. Fatal flaw.
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In this world you must be oh so smart or oh so pleasant. Well, for years I was smart. I recommend pleasant.