He returned two weeks later in season 10. When Kovač is reported killed in Africa, Carter goes back to retrieve his body, but finds that Kovač is alive but ill with malaria. He arranges for Kovač to be sent home, and sends a letter to Abby ending their relationship. Carter remains in Africa for several months and works in Makemba "Kem" Likasu's (Thandiwe Newton) AIDS clinic. Carter and Kem develop a relationship, and when she gets pregnant with his child he asks her to accompany him to Chicago, where he introduces her to his colleagues.
