While each is potentially important, which allows an investigations analyst to better write a SAR/STR...

A SAR/STR narrative that is useful to law enforcement should include a detailed description of the known or suspected criminal violation or suspicious activity, as well as ensure that all information in the SAR/STR is complete and accurate based on what the institution knows. These elements help law enforcement to understand the nature and scope of the suspicious activity, and to follow up with further investigation if needed. The other options are not essential for a useful SAR/STR narrative, as they either provide irrelevant or redundant information, or could compromise the confidentiality of the report.