American Experience
The Lie Detector
A look at the polygraph, a device created by two men in the 1920s that could tell if a person was lying, and how it has transformed police work. (60 minutes)
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UPCOMING EPISODES
Tue, 3/31 at 8:00 pm on Austin PBS WORLD
The Cancer Detectives
The fight against cervical cancer and three people whose work helped slash death rates from the disease by more than 60 percent. (60 minutes)
Wed, 4/1 at 1:00 am on Austin PBS WORLD
The Cancer Detectives
The fight against cervical cancer and three people whose work helped slash death rates from the disease by more than 60 percent. (60 minutes)
Sat, 4/4 at 4:00 am on Austin PBS WORLD
The Cancer Detectives
The fight against cervical cancer and three people whose work helped slash death rates from the disease by more than 60 percent. (60 minutes)