Channel 4 News & ITN Productions present for Channel Four with Frontline PBS ; directed by Waad Al-Kateab, Edward Watts ; filmed and produced by Waad Al-Kateab
filmed, produced and directed by Marcel Mettelsiefen ; co-produced and edited by Stephen Ellis, A.C.E. ; senior producer, Dan Edge ; an ITN production for WGBH/Frontline in association with Channel 4 and ZDF