POLYGRAPH INDUCED CONFESSION: REAL WORLD CASE STUDY

  • Unique Paper ID: 204606
  • Volume: 13
  • Issue: 1
  • PageNo: 3201-3204
  • Abstract:
  • The polygraph test also called as Lie detection test works in physiological responses be measuring the activity of heart rate, blood pressure (BP), Galvanic Skin Response (GSR), and respiration. The principle behind polygraph tests is that when an individual is deceptive, his body exhibits involuntary responses in Polygraph examination. The result of polygraph examination is not only detecting lie but also work as psychological tools to induce confession. Post test interview play an important role when subjects see charts or sense the deceptive response, they experience a fear that deception has been caught. This emotional state makes subject to confess the crime under investigation. This study presents a case where a polygraph test played a crucial role in solving a blind murder case. Following the polygraph test and subsequent interview, the suspect confessed to the crime in the presence of a judge and surrendered the murder weapon. The effectiveness of polygraph tests in this context is closely linked to the forensic expert's skills and the thoroughness of pre-test and post-test interviews.

Copyright & License

Copyright © 2026 Authors retain the copyright of this article. This article is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

BibTeX

@article{204606,
        author = {Dr. Anjali Yadav and Saumya Solanki},
        title = {POLYGRAPH INDUCED CONFESSION: REAL WORLD CASE STUDY},
        journal = {International Journal of Innovative Research in Technology},
        year = {2026},
        volume = {13},
        number = {1},
        pages = {3201-3204},
        issn = {2349-6002},
        url = {https://ijirt.org/article?manuscript=204606},
        abstract = {The polygraph test also called as Lie detection test works in physiological responses be measuring the activity of heart rate, blood pressure (BP), Galvanic Skin Response (GSR), and respiration. The principle behind polygraph tests is that when an individual is deceptive, his body exhibits involuntary responses in Polygraph examination. The result of polygraph examination is not only detecting lie but also work as psychological tools to induce confession. Post test interview play an important role when subjects see charts or sense the deceptive response, they experience a fear that deception has been caught. This emotional state makes subject to confess the crime under investigation.  
This study presents a case where a polygraph test played a crucial role in solving a blind murder case. Following the polygraph test and subsequent interview, the suspect confessed to the crime in the presence of a judge and surrendered the murder weapon. The effectiveness of polygraph tests in this context is closely linked to the forensic expert's skills and the thoroughness of pre-test and post-test interviews.},
        keywords = {Polygraph test, Confession, Blind Murder Case, Interviews, Behavioral Analysis Techniques, Investigation.},
        month = {June},
        }

Cite This Article

Yadav, D. A., & Solanki, S. (2026). POLYGRAPH INDUCED CONFESSION: REAL WORLD CASE STUDY. International Journal of Innovative Research in Technology (IJIRT), 13(1), 3201–3204.

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