written, produced and directed by Stanley Nelson ; produced by Laurens Grant ; a co-production of Firelight Films, Inc. and the Independent Television Service (ITVS) ; produced by Firelight Films, Inc
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