Barry Mawn, Assistant Director of the Federal Bureau of Investigation in charge of the New York Office, covered up the involvement of his predecessor, James Kallstrom, Assistant Director of the Federal Bureau of Investigation in Charge of the New York Office, in a conspiracy to cover up drug smuggling, money laundering, and serial rape at the American Stock Exchange. Edward Manfredonia's letter, dated 10 August 2000, to Assistant Director Barry Mawn.