Arkansas Polygraph
Arkansas Polygraph

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WHO USES POLYGRAPHS?

• Law Enforcement - Criminal investigations and Pre-employment

• Attorneys (Prosecutors, Defense Attorneys and Civil Attorneys) for both Criminal and Civil Matters

• Private citizens for personal issues not involving legal action (i.e. marital infidelity)

• Companies and corporations under the restrictions and limitations of EPPA (Employee Polygraph Protec- tion Act)

• Probation & Parole for monitoring purposes

• Clinical Treatment Facilities for monitoring and treatment issues

• Insurance Investigations Employee Theft Investigations

• Armored car, Security Guard personnel for Pre-employment

What happens during a Polygraph Test?

A polygraph test consists of three parts:

A structured pre-test interview with the examinee.

The collection of charts (a minimum of three).

Chart analysis and post-test interview.

1. The Pre-test interview

During the Pre-test interview the examiner covers the following topics:

Explanation of legal rights, completion of consent and release forms.

A complete explanation of the polygraph instrument and its components.

A review of case facts and issues.

A review of questions to be asked during testing.

2. Chart Collection

During the Chart Collection phase the examiner will collect a minimum of three charts (asking the same series of previously reviewed questions twice). The examiner will attach the following components to the examinee:


Two rubber pneumograph tubes, which record the examinees respiration. One across the chest and one across the abdomen.


Two (GSR) finger plates, which record the examinees' galvanic skin response and changes is skin resistance. One on the index finger and one on the ring finger

A cardiosphygmograph (standard medical blood pressure cuff) placed on the upper arm, which records relative blood pressure and pulse rate.

3. The Post-Test phase

During the Post-Test phase the examiner will numerically score the charts and then render one of the following opinions:

No Significant Reactions or No Deception Indicated 

Significant Reactions or Deception Indicated (DI)

Inconclusive

 

How long does a Polygraph take?
The entire process usually takes 2-3 hours.