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The Seven U.S. Ambassadors Killed In The Line Of Duty (PHOTOS)
Ambassadors of the United States - Wikipedia
List of assassinated serving ambassadors - Wikipedia
List of ambassadors of the United States to Libya - Wikipedia
U.S. diplomats attacked and killed on the job | CNN
List of ambassadors of the United States to China - Wikipedia
List of ambassadors of the United States to Afghanistan - Wikipedia
U.S. ambassadors killed in the line of duty - The Washington Post
List of ambassadors of the United States to Syria - Wikipedia
List of ambassadors of the United States to Sudan - Wikipedia