a Frontline co-production with Kirk Documentary Group, Ltd. ; a production of WGBH-TV Boston ; produced by Michael Kirk, Jim Gilmore, Mike Wiser ; written and directed by Michael Kirk
Jigsaw Productions presents ; in association with Tall Woods, LLC and Wider Film Projects ; written & directed by Alex Gibney ; produced by Alex Gibney, Eva Orner, Susannah Shipman ; produced in association with The Discovery Channel ; X-Ray Productions