How much is a lie detector? Does it really work?
what's that?
It seems very expensive.
Yes. It is a complicated system.
It depends on the issue. $400 is a starting point. Some polygraph examiners will charge as much as $1500 for a polygraph test.
The instrument is a different story. They're now using computerized polygraphs. The software program and equipment will run around $6K. A used analog instrument will run around $1,200
lie to me?
So expensive..........
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