written, produced and directed by Deborah Scranton ; a Clover and a Bee Films production for WGBH/Frontline and the Independent Television Service ; WGBH Educational Foundation
produced by Jocelyn Glatzer & Laura Poitras ; directed & filmed by Laura Poitras ; a co-production of Praxis Films and the Independent Television Service (ITVS) ; produced in association with P.O.V./American Documentary