Links to Polygraph Resources
American Polygraph Association
www.polygraph.org/
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Lafayette Instrument
www.lafayetteinstrument.com
Stoelting Polygraph Instruments
www.stoeltingco.com/Polygraph-Instruments
The Polygraph Place
www.polygraphplace.com/index.htm
American Association of Police Polygraphists
www.americanassociationofpolicepolygraphists.org