directed, written, and produced by Robert Stone ; a Robert Stone film for PBS/American experience in association with BBC ; WGBH Educational Foundation and Robert Stone Productions
a Frontline and American experience co-production with Helen Whitney Productions ; written by Helen Whitney and Jane Barnes ; produced and directed by Helen Whitney
a co-production of Camino Bluff Productions, Inc. and the Independent Television Service (ITVS), in association with Latino Public Broadcasting (LPB) for American experience ; American experience is a production of WGBH Boston ; senior producer, Sharon Grimberg ; written by Carlos Sandoval ; produced and directed by Carlos Sandoval and Peter Miller