In 1992, Heflin was moved to be deputy principal officer in Hermosillo, Mexico and the next year, in his first African posting, he was assigned to the embassy in Lusaka, Zambia as consul.

[2] In 1999, Heflin was again posted overseas as a consul in the embassy in London, United Kingdom, staying there until 2004, when he returned to the U.S. to work as deputy director for the Office of West African Affairs.

Heflin left Mexico for another stint in Washington in 2012, when he started as the managing director of the Consular Affairs Visa Office.

[7] Heflin left the post in early September 2018 and was succeeded by Marissa Scott as Chargée d'affaires and in 2019 by Jeff Daigle, the new U.S.

[2][12] Heflin is a supporter of the Crimson Tide, the football team of his law school alma mater, University of Alabama.