I fail to see the connection. At all.
Specifically, the act requires financial institutions to keep records of cash purchases of negotiable instruments, and file reports of cash purchases of these negotiable instruments of more than $10,000 (daily aggregate amount), and to report suspicious activity that might signify money laundering, tax evasion, or other criminal activities.
http://en.wikipedia.org/wiki/Bank_Secrecy_Act
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Hastart was a big time supporter of the drug war, and the BSA of 1970 is part of that. It's called being hoist on his own petard.