produced by Paul Cadieux, Nancy Guerin ; correspondent, Alec MacGillis ; written, produced and directed by Shimon Dotan ; produced for Frontline by Frank Koughan ; a Middle America Productions, Inc. film for WGBH/Frontline in partnership with ProPublica
a report by Claus Schenk ; written and directed by Claus Schenk ; production, Alexandre Kegler, Sigrid Beck ; produced by CapricornFilm on behalf of ZDF
produced by Jezza Neumann, Lauren Mucciolo ; directed by Jezza Neumann ; a True Vision production for WGBH/Frontline in association with BBC Television ; WGBH Educational Foundation