Abu Nazir (Navid Negahban)Abu Nazir (Navid Negahban) is a high ranking leader in Al Qaeda and one of the world's most wanted terrorist. He is the one who held Sergeant Nicholas Brody and Tom Walker as prisoners of war for over eight years. CIA agent Carrie Mathison believes that Abu Nazir turned Sergeant Nicholas Brody against America and that Brody's rescue was a staged event. She believes Abu Nazir returned Brody to the United States so he could carry out a terrorist attack on U.S. soil. Nazir is the youngest of four brothers and was last sighted by a CIA asset on June 5, 2004 in Syria.Nazir is highly educated and attended college in the United States. Although he is a ruthless terrorist, Nazir is known to show immense compassion towards those he loves.