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DECEPTION NOS The Polygraph During the Identification and Management of Sex Offenders KEN BLACKSTONE ACFP – 2010
There once was a doctor named Hugo, a lawyer named John and a doctor/lawyer named William. Hugo had a square peg, John had a round hole, and William started carving. The carving continues.
Ph.D. – 1885 M.D. – 1887 HARVARD PSYCHOLOGY LAB - 1902 “ON THE WITNESS STAND” – 1908 HUGO MUNSTERBERG (1863 – 1916)
EYEWITNESS TESTIMONY FALSE CONFESSIONS INTERROGATIONS PHYSIOLOGICAL PSYCHOLOGY ON THE WITNESS STAND
If “there is ever devised a psychological test for the valuation of witnesses, the law will run to meet it.”  Illinois Law Review, 3, 399-445  (1909) Evidence § 875 (2d ed. 1923) JOHN HENRY WIGMORE (1863-1943)
Wigmore encouraged William Marston, who was then a graduate student at Harvard, to “build a device that would monitor the pulse of a witness and would display the activity to the jury.”  Assistant Secretary of War Medal of Freedom Harvard Law degree – 1918 Harvard Ph.D. (Psychology) – 1921 Marston(1893-1947)
Marston, William, “The Physiological Possibilities of the Deception Test”, The Journal of Criminal Law and Criminology, 1921. Trial courts in Indiana, Illinois, Wisconsin, Ohio admitted  Marston tested witnesses while on the witness stand MARSTON DETECTION OF DECEPTION TEST
1922 FRYE TEST
STENOGRAPHER BLOOD PRESSURE OPERATIVE CROSS EXAMINER STETHESCOPE AND BP CUFF DISCONTINUOUS MARSTON DETECTION OF DECEPTION TEST
MARSTON DETECTION OF DECEPTION TEST
Tobacco Smoke Enema
First “polygraph” was a copy machine – 1804 First multi-channel instrument - 1921 All electronic analog - 1974 Computer aided analog - 1988 Fully Computerized recording  – 1992 CHANGES
PNEUMOGRAPH (2) THORACIC BREATHING ABDOMINAL BREATHING GALVANIC SKIN RESPONSE (GSR) ELECTRO DERMAL ACTIVITY POLYGRAPH INSTRUMENT
CARDIOGRAPH BLOOD VOLUME PULSE PHOTOPLETHYSMOGRAPH VASOCONSTRICTION POLYGRAPH INSTRUMENT
EXAMINATIONS ARE REQUIRED TO BE CONDUCTED USING A TESTING AND ANALYSIS TECHNIQUE  THAT HAS BEEN VALIDATED THROUGH PUBLISHED AND REPLICATED RESEARCH.  AMERICAN POLYGRAPH ASSOCIATION
examinations are not permitted to materially deviate from the protocols of a validated testing technique.    AMERICAN POLYGRAPH ASSOCIATION
EVIDENTIARY – min 90% OVERALL ACCURACY INVESTIGATIVE – min 80% OVERALL ACCURACY Post Conviction Sex Offender Tests AMERICAN POLYGRAPH ASSOCIATION
Examiners should use multi-issue polygraph techniques only in the absence of a known incident, known allegation, or a particular reason to suspect wrongful behavior.   AMERICAN POLYGRAPH ASSOCIATION
Examiners should use a successive hurdles approach to testing to maximize both the informational efficiency and sensitivity of multi-issue (mixed-issue) screening polygraphs and the diagnostic efficiency and specificity of event-specific single-issue exams.    AMERICAN POLYGRAPH ASSOCIATION
FAILURE TO DISCERN BETWEEN FORENSIC – DIAGNOSTIC POLYGRAPH  UTILITY – NON-DIAGNOSTIC POLYGRAPH WHY HAS WIGMORE’S PROPHESY FAILED?
DIAGNOSIS DISCLOSURE FORENSIC EXAMINER:
[object Object]
IF MULTIPLE ISSUES EXIST
PRIORITIZE
SUCCESSIVE HURDLES APPROACH FORENSIC APPROACH
DISCLOSURE DIAGNOSIS UTILITY EXAMINER:
SCREENING @ MULTIPLE ISSUES CREATES UNCERTAINTY DISCLOSURES + CONFESSIONS UTILITY APPROACH
IGNORES RULE OF NO POSITIVE DIAGNOSIS (DI) ON A SCREENING TEST DIAGNOSIS FROM A NON-DIAGNOSTIC TEST UTILITY APPROACH
CAN MONITOR ACTIVITY CAN NOT DETERMINE VERACITY UTILITY EXAMINATIONS
MAN FOR ALL SEASONS - 1966
THE NORM FOR POST-ADJUDICATION TESTING OF SEX OFFENDERS LOVE OF DISCLOSURES  FEAR OF FALSE NEGATIVES THE UTILITY APPROACH
SALEM WITCH TRIALS RED-SCARE CSA - SATANIC SCARE RICHARD A. GARDNER, M.D. THREE WAVES OF HYSTERIA
SEXUAL PSYCHOPATH LAWS FOCUS ON DOMESTIC SEX CRIMES – FEMINISM SVP LAWS LIEB,QUINSEY,BERLINER 1998 THREE WAVES OF SOCIAL POLICY
1966 - ILLINOIS JUDGE ORDERED MONITORING OF SUBSTANCE ABUSERS. 1969 - WASHINGTON JUDGE ORDERED MONITORING OF SHOPLIFTERS. 1973 - OREGON JUDGE ORDERED MONITORING OF SEX OFFENDERS. POLYGRAPH SURVEILLANCE
SEX OFFENDER TREATMENT + MANAGEMENT NATIONALLY AND INTERNATIONALLY PRISON COMMUNITY – ALL STATES CIVIL COMMITMENT – 19 OF 20 STATES TODAY:
AT ITS BEST:  STEP TOWARDS DIAGNOSIS AT ITS WORST:  INSTRUMENTAL INTERROGATION UTILITY APPROACH
UTILITY OUTCOMES IMPACT  SENTENCING HABEAS HEARINGS PAROLE HEARINGS REVOCATION HEARINGS
SVP TRIALS SVP LRA SVP RELEASE
ALL YOU HAVE ARE THE RELEVANT QUESTIONS AND THE OUTCOME “DECEPTION INDICATED”.
DID YOU TOUCH THAT BOY’S PENIS? DID YOU SHOW THAT BOY PORNOGRAPHY? DID YOU ENCOURAGE THAT BOY TO DRINK ALCOHOL? HAVE YOU EVER FANTASIZED ABOUT SEX WITH A MINOR? MULTIPLE ISSUE
DID YOU HAVE SEX WITH (ANOTHER INMATE) LAST WEEK? SYLT, HAVE YOU LIED TO YOUR THERAPIST ABOUT YOUR SEXUAL VICTIMS? SYLT, HAVE YOU LIED TO YOUR THERAPIST ABOUT YOUR SEXUAL FANTASIES?
ARGUE THAT POLYGRAPH DOESN’T WORK NEURALYZER - MEN IN BLACK OPTION 1:
BUT WILL IT ERASE IT FROM THE MIND OF EVALUATOR WHO HAS READ AND QUOTED THE POLYGRAPH REPORT? MAY KEEP IT OUT OF COURT
PROFESSIONAL APPROACH FIVE RULES OPTION 2
MULTIPLE ISSUE SCREENING TESTS ARE NOT USED TO MAKE A POSITIVE DIAGNOSIS (DI) RULE #1
USE SUCCESIVE HURDLES APPROACH  RULE #2
RULE #3 ACCURACY INCREASES AS THE SCOPE OF THE RELEVANT ISSUE DECREASES GROUP INDIVIDUAL
RULE #4 ERRORS IN QUESTION FORMULATION ARE FATAL ERRORS
NEVER MIX KNOWN WITH UNKNOWN ISSUES RULE #5

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The Polygraph's Role in Identifying and Managing Sex Offenders

  • 1. DECEPTION NOS The Polygraph During the Identification and Management of Sex Offenders KEN BLACKSTONE ACFP – 2010
  • 2. There once was a doctor named Hugo, a lawyer named John and a doctor/lawyer named William. Hugo had a square peg, John had a round hole, and William started carving. The carving continues.
  • 3. Ph.D. – 1885 M.D. – 1887 HARVARD PSYCHOLOGY LAB - 1902 “ON THE WITNESS STAND” – 1908 HUGO MUNSTERBERG (1863 – 1916)
  • 4. EYEWITNESS TESTIMONY FALSE CONFESSIONS INTERROGATIONS PHYSIOLOGICAL PSYCHOLOGY ON THE WITNESS STAND
  • 5. If “there is ever devised a psychological test for the valuation of witnesses, the law will run to meet it.” Illinois Law Review, 3, 399-445  (1909) Evidence § 875 (2d ed. 1923) JOHN HENRY WIGMORE (1863-1943)
  • 6. Wigmore encouraged William Marston, who was then a graduate student at Harvard, to “build a device that would monitor the pulse of a witness and would display the activity to the jury.” Assistant Secretary of War Medal of Freedom Harvard Law degree – 1918 Harvard Ph.D. (Psychology) – 1921 Marston(1893-1947)
  • 7. Marston, William, “The Physiological Possibilities of the Deception Test”, The Journal of Criminal Law and Criminology, 1921. Trial courts in Indiana, Illinois, Wisconsin, Ohio admitted Marston tested witnesses while on the witness stand MARSTON DETECTION OF DECEPTION TEST
  • 9. STENOGRAPHER BLOOD PRESSURE OPERATIVE CROSS EXAMINER STETHESCOPE AND BP CUFF DISCONTINUOUS MARSTON DETECTION OF DECEPTION TEST
  • 10. MARSTON DETECTION OF DECEPTION TEST
  • 12. First “polygraph” was a copy machine – 1804 First multi-channel instrument - 1921 All electronic analog - 1974 Computer aided analog - 1988 Fully Computerized recording – 1992 CHANGES
  • 13. PNEUMOGRAPH (2) THORACIC BREATHING ABDOMINAL BREATHING GALVANIC SKIN RESPONSE (GSR) ELECTRO DERMAL ACTIVITY POLYGRAPH INSTRUMENT
  • 14. CARDIOGRAPH BLOOD VOLUME PULSE PHOTOPLETHYSMOGRAPH VASOCONSTRICTION POLYGRAPH INSTRUMENT
  • 15.
  • 16. EXAMINATIONS ARE REQUIRED TO BE CONDUCTED USING A TESTING AND ANALYSIS TECHNIQUE THAT HAS BEEN VALIDATED THROUGH PUBLISHED AND REPLICATED RESEARCH. AMERICAN POLYGRAPH ASSOCIATION
  • 17. examinations are not permitted to materially deviate from the protocols of a validated testing technique. AMERICAN POLYGRAPH ASSOCIATION
  • 18.
  • 19. EVIDENTIARY – min 90% OVERALL ACCURACY INVESTIGATIVE – min 80% OVERALL ACCURACY Post Conviction Sex Offender Tests AMERICAN POLYGRAPH ASSOCIATION
  • 20.
  • 21. Examiners should use multi-issue polygraph techniques only in the absence of a known incident, known allegation, or a particular reason to suspect wrongful behavior. AMERICAN POLYGRAPH ASSOCIATION
  • 22. Examiners should use a successive hurdles approach to testing to maximize both the informational efficiency and sensitivity of multi-issue (mixed-issue) screening polygraphs and the diagnostic efficiency and specificity of event-specific single-issue exams. AMERICAN POLYGRAPH ASSOCIATION
  • 23. FAILURE TO DISCERN BETWEEN FORENSIC – DIAGNOSTIC POLYGRAPH UTILITY – NON-DIAGNOSTIC POLYGRAPH WHY HAS WIGMORE’S PROPHESY FAILED?
  • 25.
  • 28. SUCCESSIVE HURDLES APPROACH FORENSIC APPROACH
  • 30. SCREENING @ MULTIPLE ISSUES CREATES UNCERTAINTY DISCLOSURES + CONFESSIONS UTILITY APPROACH
  • 31. IGNORES RULE OF NO POSITIVE DIAGNOSIS (DI) ON A SCREENING TEST DIAGNOSIS FROM A NON-DIAGNOSTIC TEST UTILITY APPROACH
  • 32. CAN MONITOR ACTIVITY CAN NOT DETERMINE VERACITY UTILITY EXAMINATIONS
  • 33. MAN FOR ALL SEASONS - 1966
  • 34. THE NORM FOR POST-ADJUDICATION TESTING OF SEX OFFENDERS LOVE OF DISCLOSURES FEAR OF FALSE NEGATIVES THE UTILITY APPROACH
  • 35. SALEM WITCH TRIALS RED-SCARE CSA - SATANIC SCARE RICHARD A. GARDNER, M.D. THREE WAVES OF HYSTERIA
  • 36. SEXUAL PSYCHOPATH LAWS FOCUS ON DOMESTIC SEX CRIMES – FEMINISM SVP LAWS LIEB,QUINSEY,BERLINER 1998 THREE WAVES OF SOCIAL POLICY
  • 37. 1966 - ILLINOIS JUDGE ORDERED MONITORING OF SUBSTANCE ABUSERS. 1969 - WASHINGTON JUDGE ORDERED MONITORING OF SHOPLIFTERS. 1973 - OREGON JUDGE ORDERED MONITORING OF SEX OFFENDERS. POLYGRAPH SURVEILLANCE
  • 38. SEX OFFENDER TREATMENT + MANAGEMENT NATIONALLY AND INTERNATIONALLY PRISON COMMUNITY – ALL STATES CIVIL COMMITMENT – 19 OF 20 STATES TODAY:
  • 39. AT ITS BEST: STEP TOWARDS DIAGNOSIS AT ITS WORST: INSTRUMENTAL INTERROGATION UTILITY APPROACH
  • 40. UTILITY OUTCOMES IMPACT SENTENCING HABEAS HEARINGS PAROLE HEARINGS REVOCATION HEARINGS
  • 41. SVP TRIALS SVP LRA SVP RELEASE
  • 42. ALL YOU HAVE ARE THE RELEVANT QUESTIONS AND THE OUTCOME “DECEPTION INDICATED”.
  • 43. DID YOU TOUCH THAT BOY’S PENIS? DID YOU SHOW THAT BOY PORNOGRAPHY? DID YOU ENCOURAGE THAT BOY TO DRINK ALCOHOL? HAVE YOU EVER FANTASIZED ABOUT SEX WITH A MINOR? MULTIPLE ISSUE
  • 44. DID YOU HAVE SEX WITH (ANOTHER INMATE) LAST WEEK? SYLT, HAVE YOU LIED TO YOUR THERAPIST ABOUT YOUR SEXUAL VICTIMS? SYLT, HAVE YOU LIED TO YOUR THERAPIST ABOUT YOUR SEXUAL FANTASIES?
  • 45. ARGUE THAT POLYGRAPH DOESN’T WORK NEURALYZER - MEN IN BLACK OPTION 1:
  • 46. BUT WILL IT ERASE IT FROM THE MIND OF EVALUATOR WHO HAS READ AND QUOTED THE POLYGRAPH REPORT? MAY KEEP IT OUT OF COURT
  • 47. PROFESSIONAL APPROACH FIVE RULES OPTION 2
  • 48. MULTIPLE ISSUE SCREENING TESTS ARE NOT USED TO MAKE A POSITIVE DIAGNOSIS (DI) RULE #1
  • 49. USE SUCCESIVE HURDLES APPROACH RULE #2
  • 50. RULE #3 ACCURACY INCREASES AS THE SCOPE OF THE RELEVANT ISSUE DECREASES GROUP INDIVIDUAL
  • 51. RULE #4 ERRORS IN QUESTION FORMULATION ARE FATAL ERRORS
  • 52. NEVER MIX KNOWN WITH UNKNOWN ISSUES RULE #5
  • 53. 770-630-2485 2951 FLOWERS ROAD SOUTH SUITE 243 ATLANTA, GA 30341 www.blackstonepolygraph.com kenblackstone@gmail.com ANOTHER OPTION:
  • 55. AMERICAN POLYGRAPH ASSOCIATION – www.polygraph.org Blackstone, K.E. (2008). Post-Conviction Polygraph in the Community and Court: Raising the Bar on PCSOT Examiners, The Forensic Examiner, 17 (3), 72-79 Krapohl, D. (2006). Validated Polygraph Techniques. Polygraph, 35(3), 149-155 Lieb, R., Quinsey, R., Berliner, L. (1998) Sexual Predators and Social Policy (M. Tonry, Ed.). Crime and Justice: A review of Research, 23, 43-114 Marston, W. (1938). The Lie Detector Test. New York: Richard R. Smith, 1938, pp. 1-179 References: