produced and directed by Martin Smith ; co-producer, Sara Silver ; Written and produced by Martin Smith ; a Frontline conproduction with Rain Media, Inc. ; WGBH Educational Foundation
a co-production of the Saint/Hayden Co. ; South Carolina ETV ; and Nebraska ETV ; produced by Jeffrey Hayden and Kelley Cauthen ; written and directed by Jeffrey Hayden
a production by Isabella Huser ; a film by Andreas Hoessli ; director and editor, Andreas Hoessli ; production, Espaces Film GmbH ; co-produced with SRG/Schweizer Fernsehen DRS