I'll readily concede your point...
Over the years I've just gravitated to completing the reports with the maximum amount of information. If I'd filed a report months before listing only the active party as the subject and had to listen to a teenaged examiner say, "Well how do you know, maybe she's structuring the transactions that way because her husband told her to do so!" I probably wouldn't be polite.
It's just a personal decision on may part, somewhat buttressed by the fact they are now called "subjects" not "suspects;" i.e. either or both parties could be the decision maker and I have no way to sort them out.
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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.