Complete guide to CI, lifestyle & full scope polygraph exams. Learn what each covers, which agencies require them, exam duration, and preparation tips.
Read Article →Complete guide to the Air Force Modified General Question Test (AFMGQT) — covering origins, question types, scoring methods, accuracy data, and federal applications.
Read Article →Master the Federal Zone Comparison Technique — the standardized polygraph method used by DoD, FBI, and CIA. Covers 7-position scoring, accuracy data, and question…
Read Article →Compare the CI polygraph and full scope polygraph — learn what topics each covers, which agencies require them, and how to prepare for your…
Read Article →Complete guide to the lifestyle polygraph for TS/SCI security clearances. Learn what topics are covered, which agencies require it, and how to prepare.
Read Article →Inconclusive doesn't mean deceptive. Learn when you can retake a polygraph, federal agency wait times, and how to prepare for a successful retest.
Read Article →Complete guide to the Federal Zone Comparison Test (FZCT): how it works, which agencies use it, scoring methods, accuracy data, and what to expect.
Read Article →How Cleve Backster founded the CIA's polygraph program in 1949, transforming experimental lie detection into the intelligence community's most enduring security screening tool.
Read Article →How Cleve Backster built the CIA's first polygraph program from scratch, developed the Zone Comparison Technique, and shaped federal security screening for 75+ years.
Read Article →The complete history of DoDPI, from the 1951 Army Polygraph School through its 1986 designation, 2007 DACA renaming, and 2010 NCCA transformation.
Read Article →Explore how Gordon Barland's decades of research at the University of Utah and DoDPI transformed polygraph testing into an evidence-based discipline.
Read Article →Explore the FBI's polygraph program history from Hoover's resistance through the Hanssen spy scandal to today's mandatory security screening program.
Read Article →EyeDetect is not approved for U.S. security clearance polygraphs. Learn why the NCCA, SEAD-2, and DoD Directive 5210.91 keep the polygraph as the standard.
Read Article →Complete guide to the DEA polygraph exam: phases, question categories, drug policy, disqualifiers, and preparation strategies for Special Agent candidates.
Read Article →Complete guide to the Secret Service polygraph exam: full-scope format, question topics, disqualifiers, preparation tips, and hiring timeline for USSS candidates.
Read Article →Complete guide to the ATF polygraph exam for Special Agent candidates — questions, process, disqualifiers, and preparation strategies.
Read Article →Master the Peak of Tension Test (POT) — the specialized polygraph technique for detecting guilty knowledge using KS-POT and SPOT formats.
Read Article →Complete guide to Comparison Test Formats (CTF) in polygraph: MGQT, ZCT, question types, 7-position scoring, DI/NDI thresholds, and federal standards.
Read Article →Complete guide to the You-Phase ZCT polygraph technique — covering history, question types, scoring thresholds, and federal standards for examiners.
Read Article →Complete guide to preparing for a security clearance polygraph: CI, Lifestyle, and Full-Scope exams. Official DoD tips, exam phases, and expert strategies.
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