directed by Steve James ; produced by Mark Mitten, p.g.a, Julie Goldman, p.g.a. ; a Mitten Media, Motto Pictures and Kartemquin Films production for WGBH/Frontline and Independent Television Service (ITVS) in association with Blue Ice Docs
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