directed by Michael Kirk ; written by Michael Kirk & Mike Wiser ; produced by Michael Kirk, Jim Gilmore, Mike Wiser ; reported by Jim Gilmore ; a Frontline production with Kirk Documentary Group ; WGBH
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
a Frontline production with the Palfreman Film Group in association with Kate McMahon Productions LLC ; written by Jon Palfreman ; produced and directed by Jon Palfreman and Kate McMahon
Ken Burns presents ; a film by Lynn Novack ; a Skiff Mountain Films production ; in association with Florentine Films ; produced by Salimah El-Amin & Mariah Doran ; produced by Sarah Botstein ; produced & directed by Lynn Novick