The British Polygraph Society

Publications

Lie detector tests planned for offenders

Domestic violence offenders in England and Wales could face compulsory lie-detector tests when released from prison under proposed new laws. Those deemed at high risk of re-offending will be given regular polygraph tests to find out if they have breached release...

Inconsistent Polygram

The psychophysiological responses monitored by and during a polygraph test are recorded and displayed on the Polygram (polygraph chart) and later evaluated and analyzed by the examiner, either by global evaluation or by numerical analysis. While the global analysis...