a Frontline production ; in collaboration with ProPublica and the Investigative Reporting Program at University of California Berkeley Graduate School in Journalism ; written and produced by Andrés Cediel & Lowell Bergman ; produced by WGBH Boston
a Frontline co-production with Ark Media ; produced by Rachel Dretzin, Muriel Soenens ; written by Barak Goodman ; directed by Rachel Dretzin & Barak Goodman
WGBH ; Frontline co-production with American University School of Communication's Investigative Reporting Workshop ; written, produced and directed by Rick Young
co-production of The Kirk Documentary Group, Ltd. and WGBH Educational Foundation ; written, produced and directed by Michael Kirk ; produced and reported by Jim Gilmore