SAR filing for "insider abuse" does not apply to the actions of customers. This reporting is required by the bank regulatory agencies not FinCEN. Here's an excerpt from the FDIC's regualtion:
((1) Insider abuse involving any amount. Whenever the bank detects any known or suspected federal criminal violation, or pattern of criminal violations, committed or attempted against the bank or involving a transaction or transactions conducted through the bank, where the bank believes it was either an actual or potential victim of a criminal violation, or series of criminal violations, or that the bank was used to facilitate a criminal transaction, and the bank has a substantial basis for identifying one of the bank's directors, officers, employees, agents, or other institution-affiliated parties as having committed or aided in the commission of the criminal violation, regardless of the amount involved in the violation;
_________________________
In this world you must be oh so smart or oh so pleasant. Well, for years I was smart. I recommend pleasant.