State and federal authorities are investigating suspected theft at the $28.7 million Louisville Metro Police Officers Credit Union, according to police and the Kentucky state regulator. "The Louisville Metro Police Officers Credit Union reported a suspected theft to law enforcement officials and the (Kentucky) Department of Financial Institutions," DFI spokeswoman Elizabeth Goss Kuhn, said in a prepared statement. "DFI is conducting an examination of the credit union, and as part of that process,