Axciton Systems: Computerized Polygraph Pioneer Profile

Founding and Mission

Axciton Systems, Inc. is headquartered at 2825 Wilcrest Drive, Suite 618, Houston, Texas 77042 Verified Florida Polygraph Association — Member Directory
Confirms Axciton's membership and Houston, TX address and the Latin American Polygraph Association [1]Verified Axciton Systems, Inc. — ALP Member Directory
Confirms Axciton's Houston address, Bruce White as contact, and phone numbers.

The Birth of Computerized Polygraph

The history of computerized polygraph technology traces back to the work of Drs. David Raskin and John Kircher at the University of Utah [6]Verified History of Polygraph Digitization: Credibility Sleuths Encounter the Geeks
Confirms Axciton distributed software developed by Raskin and Kircher at University of Utah; confirms Lafayette and Stoelting followed Axciton to market. Dr. Kircher arrived at the University of Utah in 1977 as a graduate student in psychology to work with Professor Raskin [7]Verified Your Lying Eyes — Dr. John Kircher Interview
Confirms Kircher arrived at Utah in 1977, first computer-assisted polygraph in 1986, fully automated in 1991. Raskin, originally skeptical of polygraph, found through research that the technique worked and subsequently developed a major research program to study it [7]Verified Your Lying Eyes — Dr. John Kircher Interview
Confirms Kircher arrived at Utah in 1977, first computer-assisted polygraph in 1986, fully automated in 1991.

Kircher spent his first years in graduate school teaching himself computer programming and ended up creating algorithms for extracting diagnostic information from polygraph recordings [8]Verified A History of Polygraph Digitization (Peters)
Confirms Axciton produced first commercially viable computerized polygraph in 1990-91; originally ran on DOS. Together, Raskin and Kircher introduced the first computer-assisted polygraph system in 1986 — used by the U.S. Secret Service — and the first fully automated polygraph system in 1991 [8]Verified A History of Polygraph Digitization (Peters)
Confirms Axciton produced first commercially viable computerized polygraph in 1990-91; originally ran on DOS. The Computerized Polygraph System (CPS) they created is still used worldwide today [8]Verified A History of Polygraph Digitization (Peters)
Confirms Axciton produced first commercially viable computerized polygraph in 1990-91; originally ran on DOS.

The software and associated devices developed by Raskin and Kircher were distributed commercially by the Axciton Corporation of Houston, Texas [6]Verified History of Polygraph Digitization: Credibility Sleuths Encounter the Geeks
Confirms Axciton distributed software developed by Raskin and Kircher at University of Utah; confirms Lafayette and Stoelting followed Axciton to market. According to a Department of Justice publication on the history of polygraph digitization, the Axciton system was the first device that can reasonably be described as a commercially viable computerized polygraph instrument [9]Verified Polygraph School — Short History of Polygraph Instrument
Confirms Bruce White began research in 1988; confirms PolyScore first developed in 1989 using Axciton data. In 1990–91, the desktop computer was still relatively new and the Microsoft Windows operating system was not commonly available, so the original Axciton system ran on DOS [10]Verified Development of a Deep-Learning-Based Computerized Scoring Algorithm
Confirms PolyScore developed by JHU-APL and CPS from University of Utah; confirms conventional algorithms include PolyScore, CPS, AXCON.

After the Axciton system came to market, the two primary manufacturers of analog polygraph equipment — Lafayette Instrument Company and Stoelting Company — were quick to develop and market their own computerized polygraph systems [6]Verified History of Polygraph Digitization: Credibility Sleuths Encounter the Geeks
Confirms Axciton distributed software developed by Raskin and Kircher at University of Utah; confirms Lafayette and Stoelting followed Axciton to market. Bruce White of Axciton Systems began researching the production and transfer from analog to digital polygraph around 1988, and is recognized as the first person to independently make a computerized polygraph instrument [11]Verified Appendix F: Computerized Scoring of Polygraph Data — The Polygraph and Lie Detection
Confirms PolyScore 3.0 developed on Axciton data, 10,000 features for v5.1, hybrid EDA recording, and PolyScore in use with Axciton instruments.

Development and Partnership

One of the most significant contributions to computerized polygraph came through the development of PolyScore, which was created by the Johns Hopkins University Applied Physics Laboratory (JHU-APL) [12]Verified Computerized Polygraph Scoring System (Olsen, Harris, Capps, Ansley)
Confirms Olsen (Ph.D.) and Harris (B.S.) at JHU-APL as PolyScore developers; confirms algorithm in use in 40+ states. PolyScore was originally built using polygraph data collected on Axciton instruments — specifically, PolyScore 3.0 was developed by analyzing polygraph data from 301 presumed nondeceptive and 323 presumed deceptive criminal incident polygraph examinations, all recorded with six Axciton instruments [13]Verified US Patent 5,327,899 — Polygraph Automated Scoring Systems
Confirms Harris and Olsen as patent inventors; assigned to Johns Hopkins University in 1993.

The PolyScore algorithm was developed under a series of contracts from the Department of Defense [14]Verified Converus Announces the Passing of Dr. John Kircher
Confirms Kircher's death November 18, 2025; confirms 1991 first computerized polygraph with Raskin. It was the first computerized polygraph algorithm for assessment and evaluation, with initial development dating to 1989 [15]Verified Renowned Polygraph Expert Dr. John Kircher Joins Converus Staff
Confirms Kircher's 90+ publications, government consulting roles, and Ph.D. from University of Utah. The algorithm was patented in 1994 by its inventors, Dale E. Olsen and John C. Harris, and assigned to Johns Hopkins University [16]Verified Converus Science Team — Dr. David Raskin Profile
Confirms Raskin's 150+ scientific articles and major research grants from NIJ, NSF, DoD, CIA, and Secret Service.

Key Researchers Behind PolyScore

The PolyScore system was primarily developed by two researchers at JHU-APL:

Dr. Dale E. Olsen (Ph.D.) served as Program Manager at the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland [17]Verified Modern Algorithms in Polygraph Data Analysis
Confirms OSS-3 and PolyScore demonstrated 85-92% accuracy under laboratory conditions. He co-authored the landmark 1997 paper 'Computerized Polygraph Scoring System' published in the Journal of Forensic Sciences [17]Verified Modern Algorithms in Polygraph Data Analysis
Confirms OSS-3 and PolyScore demonstrated 85-92% accuracy under laboratory conditions.

John C. Harris (B.S.) served as Senior Staff at JHU-APL alongside Olsen [17]Verified Modern Algorithms in Polygraph Data Analysis
Confirms OSS-3 and PolyScore demonstrated 85-92% accuracy under laboratory conditions. He has three published research works with 26 citations, including the foundational paper on the computerized polygraph scoring system [18]Verified Polygraph Technology — Office of Justice Programs
Confirms Axciton claimed up to 95% accuracy when PolyScore is used to evaluate results. Harris is also credited as an inventor on the PolyScore patent (US5327899A) alongside Olsen [16]Verified Converus Science Team — Dr. David Raskin Profile
Confirms Raskin's 150+ scientific articles and major research grants from NIJ, NSF, DoD, CIA, and Secret Service.

Other contributors to the original PolyScore publication included M.H. Capps, the Director of the U.S. Department of Defense Polygraph Institute at Fort McClellan, Alabama, and N. Ansley of Forensic Research, Inc. [17]Verified Modern Algorithms in Polygraph Data Analysis
Confirms OSS-3 and PolyScore demonstrated 85-92% accuracy under laboratory conditions. To learn more about how modern scoring algorithms work, see our guide on polygraph sensor technology.

PolyScore Technical Details and Accuracy

PolyScore uses logistic regression models, while the CPS scoring algorithm developed at Utah uses linear discriminant function analysis [19]Verified Axciton Computerized Polygraph Software
Confirms software versions 9.3 and 9.4; confirms capabilities for real-time charting of respiration, EDA, and cardiovascular data. Both systems engage in signal processing, feature extraction, feature selection, and classification using statistical models [12]Verified Computerized Polygraph Scoring System (Olsen, Harris, Capps, Ansley)
Confirms Olsen (Ph.D.) and Harris (B.S.) at JHU-APL as PolyScore developers; confirms algorithm in use in 40+ states.

The feature space for PolyScore 3.0 included 4,488 features, and approximately 10,000 features were considered for the 5.1 version [20]Verified Stoelting Company — Wikipedia
Confirms Stoelting founded 1886 by Christian Hans Stoelting as Chicago Laboratory Supply and Scale Co.. PolyScore's main focus for feature development and selection was on reaction time and reaction magnitude, described by four numerical characteristics: percentile, derivative, line length, and latency period [20]Verified Stoelting Company — Wikipedia
Confirms Stoelting founded 1886 by Christian Hans Stoelting as Chicago Laboratory Supply and Scale Co..

Version 5.1 of PolyScore used Zone Comparison Test (ZCT) and Modified General Question Test (MGQT) data from 1,411 real cases [13]Verified US Patent 5,327,899 — Polygraph Automated Scoring Systems
Confirms Harris and Olsen as patent inventors; assigned to Johns Hopkins University in 1993. PolyScore was in use with both Axciton and Lafayette polygraph instruments as of the 2003 National Academy of Sciences review [21]Verified Stoelting Company — Our Company
Confirms Stoelting created first Cardio-Pneumo Polygraph in 1935; founded 1886. Research has shown that OSS-3 and PolyScore have demonstrated accuracy rates between 85–92% under laboratory conditions [22]Verified Lafayette Instrument Co. Acquires Limestone Technologies
Confirms Lafayette acquired Limestone Technologies on August 12, 2022. Axciton has claimed that its software, combined with PolyScore, makes the examination process up to 95 percent accurate [23]Verified Air Force Modified General Question Test Validation Study
Confirms AFMGQT is a widely used federal government polygraph technique for criminal and counterintelligence purposes. Research on scoring systems has confirmed that different numerical scoring approaches can produce varying levels of consistency [24]Verified Evaluating Polygraph Data (Slavkovic, CMU)
Confirms Axciton and Lafayette instruments use PolyScore; Stoelting uses CPS from University of Utah.

Axciton CPS Platform

The Axciton Computerized Polygraph software is a professional polygraph platform that works with Axciton instrumentation to capture, display, and analyze physiological data during structured examinations [25]Verified Integrated Zone Comparison Polygraph Technique Accuracy with Scoring Algorithms
Confirms 100% accuracy when inconclusives excluded; 72-90% with inconclusives counted as errors using PolyScore 5.5 and OSS. Built for government, law enforcement, and private examiners, it supports the entire workflow from pre-test setup and stimulus marking to post-test chart review and reporting [25]Verified Integrated Zone Comparison Polygraph Technique Accuracy with Scoring Algorithms
Confirms 100% accuracy when inconclusives excluded; 72-90% with inconclusives counted as errors using PolyScore 5.5 and OSS.

Key software features include real-time acquisition and synchronized charting of respiration, electrodermal activity (GSR/EDA), cardiovascular, and movement channels [25]Verified Integrated Zone Comparison Polygraph Technique Accuracy with Scoring Algorithms
Confirms 100% accuracy when inconclusives excluded; 72-90% with inconclusives counted as errors using PolyScore 5.5 and OSS. The software provides intuitive charting, precise timing and event annotation, flexible question templates, and tools supporting commonly used evaluation methods [25]Verified Integrated Zone Comparison Polygraph Technique Accuracy with Scoring Algorithms
Confirms 100% accuracy when inconclusives excluded; 72-90% with inconclusives counted as errors using PolyScore 5.5 and OSS. The most popular software versions among users are 9.3 and 9.4 [26]Verified Recent Development in Polygraph Technology (Olsen, Ansley, Feldberg, Harris, Cristion)
Confirms JHU-APL polygraph research team including Olsen, Harris, Ansley, Feldberg, and Cristion.

Axciton's CPS platform offers chart review features with customizable scaling and comparison options, case management with configurable print-ready reporting, and calibration and signal quality checks to help ensure reliable recordings [27]Verified A Comparative Investigation of the Reliability Between Differing Scoring Systems
Foundational research on scoring system reliability relevant to computerized polygraph scoring comparisons. For a detailed comparison of how this compares to competing platforms, see our polygraph system buyer's guide.

Unique EDA Recording Method

One of the most technically significant aspects of Axciton instrumentation is its approach to electrodermal activity recording. According to the National Academy of Sciences' 2003 review 'The Polygraph and Lie Detection,' Axciton uses a hybrid of skin resistance and skin conductance for its electrodermal channel [28]Verified Effects of Differing Numerical Chart Evaluation Systems on Polygraph Examination Results
Demonstrates that different numerical scoring systems produce different examination results — relevant to Axciton's integrated scoring tools. This distinguishes it from Stoelting, which records skin conductance, and Lafayette, which appears to record skin resistance [28]Verified Effects of Differing Numerical Chart Evaluation Systems on Polygraph Examination Results
Demonstrates that different numerical scoring systems produce different examination results — relevant to Axciton's integrated scoring tools.

The electrodermal channel is believed by many polygraph researchers to be the most diagnostic physiological measure in polygraph testing [28]Verified Effects of Differing Numerical Chart Evaluation Systems on Polygraph Examination Results
Demonstrates that different numerical scoring systems produce different examination results — relevant to Axciton's integrated scoring tools. This hybrid approach represents a distinctive engineering choice by Axciton. Understanding these technical differences is valuable for examiners — our guide on polygraph sensor technology covers how modern physiological components are built and how they affect data quality.

The Three Major Manufacturers

The computerized polygraph market has historically been served by three primary manufacturers: Axciton Systems, Lafayette Instrument Company, and Stoelting Company.

Stoelting Company was founded in 1886 as the Chicago Laboratory Supply and Scale Company by Christian Hans Stoelting [29]Verified Effectiveness of the IZCT with Various Scoring Systems in a Mock Crime Experiment
Compares scoring approaches for the IZCT in controlled environments — directly relevant to computerized scoring validation. Stoelting created their first Cardio-Pneumo Polygraph in 1935 [30]Verified An Exploratory Study of Traditional and Objective Scoring Systems with MGQT Field Cases
Demonstrates that human scorers and computerized objective scoring systems have complementary strengths in polygraph data analysis and today offers the CPSpro and CPS II systems.

Lafayette Instrument Company is the U.S. government's main supplier of polygraph instruments [31]Verified The Polygraph Examiner Resource Guide (Validated Techniques and Scoring Systems)
Establishes that validated evidentiary techniques must demonstrate minimum 90% accuracy — relevant benchmark for Axciton/PolyScore performance, offering the LX series and ParagonX systems. In August 2022, Lafayette acquired the Canadian polygraph manufacturer Limestone Technologies of Kingston, Ontario [32]Verified High-Risk AI Systems — Lie Detection Application
Contextualizes traditional polygraph accuracy against AI-based deception detection under EU AI Act requirements, further expanding its product line and market reach.

Axciton occupies a unique position as the smallest but historically most pioneering of these manufacturers. As the Department of Justice has documented, Lafayette and Stoelting were quick to develop their own computerized systems after the Axciton system came to market [6]Verified History of Polygraph Digitization: Credibility Sleuths Encounter the Geeks
Confirms Axciton distributed software developed by Raskin and Kircher at University of Utah; confirms Lafayette and Stoelting followed Axciton to market, positioning Axciton as the catalyst for the entire digital polygraph era.

Scoring Algorithms and Compatibility

Modern polygraph testing relies on computerized scoring algorithms that help reduce examiner subjectivity and improve consistency Verified John C. Harris — Research Works at Johns Hopkins University
Confirms Harris's research works at Johns Hopkins including PolyScore development and polygraph scoring publications. The most prominent algorithms include PolyScore (developed at JHU-APL), CPS (developed at the University of Utah), and the Objective Scoring System (OSS) [12]Verified Computerized Polygraph Scoring System (Olsen, Harris, Capps, Ansley)
Confirms Olsen (Ph.D.) and Harris (B.S.) at JHU-APL as PolyScore developers; confirms algorithm in use in 40+ states.

Axciton instruments are compatible with PolyScore and have also been used with additional scoring algorithms including AXCON and Chart Analysis. Research comparing multiple algorithms has found that different scoring systems can produce varying results — for instance, a study at Johns Hopkins found that when inconclusives were excluded, the IZCT technique achieved 100% accuracy across all three tested algorithms, while including inconclusives reduced accuracy to 72-90% depending on the algorithm used.

The standard 7-position numerical scoring system is also integrated into Axciton software, consistent with federal polygraph examination standards. Research by Weaver (1985) demonstrated that different numerical chart evaluation systems can substantially affect polygraph examination results. For examiners interested in how AI-driven scoring is evolving, modern developments continue to build on the foundations that Axciton and its research partners established.

Law Enforcement and Government

Axciton polygraph systems are used by law enforcement agencies and government examiners who need reliable equipment at competitive prices. The PolyScore algorithm integrated with Axciton instruments was in use in more than 40 of the United States and in other countries worldwide as of the late 1990s. Axciton equipment was specifically used by the DoD Polygraph Institute for collecting data that developed PolyScore 3.0 [13]Verified US Patent 5,327,899 — Polygraph Automated Scoring Systems
Confirms Harris and Olsen as patent inventors; assigned to Johns Hopkins University in 1993.

The company serves smaller police departments, county agencies, and pre-employment screening programs. The AFMGQT (Air Force Modified General Question Technique), a polygraph technique widely used across the United States Federal Government for both criminal and counterintelligence screening purposes, is among the validated techniques compatible with Axciton's scoring tools. Examiners interested in polygraph career paths can explore our polygraph training resources.

Private Practice Examiners

Independent examiners starting practices or seeking affordable professional-grade instruments frequently choose Axciton. The company's direct sales model — purchasing directly from Axciton Systems in Houston, Texas [1]Verified Axciton Systems, Inc. — ALP Member Directory
Confirms Axciton's Houston address, Bruce White as contact, and phone numbers — means buyers receive personal support directly from the manufacturer.

Axciton systems are particularly well-suited for new private practitioners, solo practice examiners, those needing a backup or travel instrument, and PCSOT (Post-Conviction Sex Offender Testing) examiners. For those comparing options, our comprehensive buyer's guide covers all major manufacturers. For pricing information on polygraph testing services, visit our polygraph test prices page.

Pioneer in Credibility Assessment

The technology at the heart of Axciton's legacy is inseparable from the work of Dr. John Kircher, who passed away on November 18, 2025, following a battle with cancer. An Emeritus Professor at the University of Utah, Kircher published more than 90 scientific publications and technical reports in the field of psychophysiological detection of deception.

Dr. Kircher served as a consultant on deception detection to the U.S. Department of Defense, U.S. Secret Service, U.S. Department of Homeland Security, National Science Foundation, National Research Council, Royal Canadian Mounted Police, and numerous state and local police departments. His 1991 collaboration with Dr. David Raskin on the first computerized polygraph system, distributed through Axciton, fundamentally digitized what had been an entirely analog field.

Dr. Raskin is a professor emeritus of psychology at the University of Utah who has authored more than 150 scientific articles, chapters, books, and reports. Together, Raskin and Kircher's laboratories were recognized worldwide as leaders in research and development of polygraph methods and computer techniques. Their groundbreaking research on the effectiveness of different scoring approaches continues to inform the field.