produced and directed by Stanley Nelson ; written by Marcia A. Smith ; a Firelight Media production for American Experience ; WGBH Boston ; WGBH Educational Foundation
produced by Barak Goodman, Rachel Dretzin ; directed by Barak Goodman ; written by Rachel Dretzin ; a Frontline co-production with 10/20 Productions, LLC ; WGBH Educational Foundation ; WGBH Boston
a production of WGBH Boston and WITF, Harrisburg; produced by Beth Hager and Randall MacLowry ; written by Ken Emerson and Randall MacLowry ; director, Randall MacLowry
a co-production of WGBH, Boston and Brian Lapping Associates in association with BBC and La Sept/ARTE ; producer/directors, Dai Richards ... [and others]
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
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