LOS ANGELES - The U.S. attorney's office in Boston has asked the Los Angeles County Metropolitan Transportation Authority to turn over records next week of its business dealings with Lazard Freres & Co. and Merrill Lynch & Co.

The subpoena, served Dec. 17 by the Federal Bureau of Investigation on behalf of the U.S. attorney's office in Boston, requests help with the office's investigation into the two investment banking firms formerly associated with investment banker Mark S. Ferber.

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