Wayzata, Minn.-based TCF National Bank has agreed to pay a $10 million penalty for violations of the Bank Secrecy Act, Minnesota Public Radio reported. The U.S. Department of Treasury's Office of the Comptroller of the Currency examined TCF Bank's activity between November 2008 and July 2010. The agency says it found the bank had not filed suspicious activity reports in a timely way. Specifically, federal regulators say they found cash transactions that indicated wire transfers where the source and purpose of funds was not identifiable. They say they found instances where TCF's reports failed to adequately explain or identify potential terrorist financing. Read more.