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Clip: Season 35 Episode 1 | 10m 24s | Video has closed captioning.
Discover the story of the polygraph, the controversial device that transformed modern police work, seized headlines and was extolled as an infallible crime-fighting tool. A tale of good intentions, twisted morals and unintended consequences.
Aired: 01/03/23
Support provided by:
American Experience.
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Short
On May 28, 1900, San Francisco policemen formed a perimeter around Chinatown as officials diagnosed bubonic plague in the neighborhood and wanted to quarantine the nearly 20,000 residents. As tensions flared, an influential group of merchants known as the Chinese Six Companies sprang into action.
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