written and produced by Rick Young ; co-producers, Fritz Kramer, Emma Schwartz ; reported by Laura Sullivan, Emma Schwartz, Kate McCormick ; a Frontline production with American University School of Communication's Investigative Reporting Workshop in collaboration with NPR ; a production of WGBH/Boston
produced by David Borenstein, Kaiser Kuo, Liyan Ma, Xiyan Yu ; directed by David Borenstein, Xiyan Yu ; a Nova production by Windfall Films Ltd. (part of the Argonon Group) for GBH