Ink from an Earthen Vessel: Does Snopes know all?

He believed a person under the influence of the drug scopolamine was unable to tell a lie. In an era of corruption and crime, it was hoped the drug could turn people to honesty, but it's use as a lie detector was not widely accepted. ... Today we have the polygraph, which supporters say is 90 percent accurate, yet in many court rooms the results can't be entered as evidence. The best court cases depend on physical evidence and eyewitnesses' testimony, but sometimes truth ...