Polygraphist Websites:
dfpolygraph.net
D.F. Polygraph - Home
DF Polygraph is a professional polygraph examiner with more that 25 years of police experience to guide his expert polygraph examination.
polygraphplace.com
The Polygraph Place - Find Lie Detection Experts, Instruments, polygraph news...
The Polygraph Place is the only National Website devoted to all aspects of the Polygraph Industry. Here you will find a Polygraph Examiner in every state, Polygraph Schools,...