Hello, as the week comes to an end, I’d like to showcase some of the polygraph instruments that we use here at Northern Virginia...

The polygraph developed as independent processes, that were connected throughout the years, into what is now seen in today's modern...

Good morning! Starting off the week with we look at one of our antique polygraph instruments. This 1960’s Stoelting analog polygraph sits...

Since 1996 we have been the most widely used polygraph company in the northern Virginia area. We are so confident in our product that we...

Following a few months of planning we are delighted to finally announce the launch of our new website! We are working on developing some...