Guantanamo Voices: Tracking former prisoners in Afghanistan

This image reviewed by the US military shows the guard tower at the front gate of "Camp Five" and "Camp Six" detention facility of the Joint Detention Group at the US Naval Station in Guantanamo Bay, Cuba, January 19, 2012.

The controversy over Guantanamo prison has lasted now for more than a decade. And its legacy endures far beyond US borders - especially in Afghanistan. Some 220 Afghans have been held at Gitmo, making them the largest population of prisoners.

The controversy over Guantanamo prison has lasted now for more than a decade, and its legacy endures far beyond U.S. borders, especially in Afghanistan. Some 220 Afghans have been held at Gitmo, making them the largest population of prisoners.

Most have been released without charge, meaning the U.S. did not find a compelling reason to keep them in detention, but their time at Guantanamo shaped them in profound ways.

We're joined by Dawood Azami, a senior broadcast journalist at the BBC World Service, who tracked down and spoke with former Gitmo prisoners in Afghanistan.

Listen to the full BBC documentary here: Guantanamo Voices.