> If the USA believes polygraphs are unreliable they should be banned from all usage, for all types of crimes and government screening. It is well known that p

> If the USA believes polygraphs are unreliable they should be banned from all usage, for all types of crimes and government screening. It is well known that polygraphs are completely unreliable. It is also well known that they are useful for tricking people into admitting things that they wouldn't otherwise admit. That is why they are still in use.