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Federal Bureau of Investigation Director Robert S. Mueller III speaks during a memorial service for the Pan Am Flight 103 Lockerbie bombing at Arlington National Cemetery December 21, 2011, in Arlington, Virginia.  Attorney General Eric H. Holder Jr. and others attended the service at the Flight 103 memorial to commemorate the 23rd anniversary of the bombing of Pan Am Flight 103 over Lockerbie, Scotland by Libyan terrorists.
Federal Bureau of Investigation Director Robert S. Mueller III speaks during a memorial service for the Pan Am Flight 103 Lockerbie bombing at Arlington National Cemetery December 21, 2011, in Arlington, Virginia.  Attorney General Eric H. Holder Jr. and others attended the service at the Flight 103 memorial to commemorate the 23rd anniversary of the bombing of Pan Am Flight 103 over Lockerbie, Scotland by Libyan terrorists.

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