a NOVA Production by Lone Wolf Pictures for WGBH/Boston ; directed by Kirk Wolfinger ; written and produced by Rushmore DeNooyer, Geoffrey Little & David Espar
produced by Barak Goodman, Rachel Dretzin ; directed by Barak Goodman ; written by Rachel Dretzin ; a Frontline co-production with 10/20 Productions, LLC ; WGBH Educational Foundation ; WGBH Boston