Mr. Yaeger is a white collar crime attorney at Carlton Fields and formerly an an assistant U.S. attorney for the Eastern District of New York, where he investigated and prosecuted cases in the Business and Securities Fraud Section of the Criminal Division. at Carlton Fields
Financial data collected by FinCEN can help law enforcement, but it's also a trove of personal data on people who have not committed a crime.
I don’t think data retention is seriously thought about at the government level. They specify how long they retain it at the bank level, but the government doesn’t. It’s not in the habit of destroying data.