If you suspect the loans are in any way connected with the suspicious activity, I would include details in the identifying info for SAR. If not, I would mention in the SAR narrative.
I would not document the POD as he is not the owner of those funds (unless, of course, I had reason to suspect he was the true owner and he had someone set up for him to hide the money).
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Life without Jesus is like an unsharpened pencil - it has no point.