He was a master sergeant in the Liberian army , and had trained with the U.S. Army Special Forces .
Samuel Kanyon Doe ( 1951 -- 1990 ) was a member of the Krahn , a small ethnic group .
Samuel Kanyon Doe was a member   in the Liberian army , and had trained with the U.S. Army Special Forces .
Samuel Kanyon Doe ( 1951 -- 1990 ) was a member of the Krahn , a small ethnic group .