The key ingredient in successful polygraph use is a trained, experienced
operator; the machine really has very little to do with detection.
Unfortunately it is impossible to train a sufficient number of operators
to the necessary level of proficiency for mass screening, so most
polygraph users
Lie detectors can be fooled
January 17, 2003 Lie detectors can work in specific cases, but are of
little use in general screening, a study has found.
After interviewing polygraph experts at the CIA, FBI and other agencies, a
panel at the National Academy of Sciences in America found that it is
The key ingredient in successful polygraph use is a trained, experienced
operator; the machine really has very little to do with detection.
Unfortunately it is impossible to train a sufficient number of operators
to the necessary level of proficiency for mass screening, so most
polygraph users
