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Narco analysis

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Narco analysis

  1. 1. NARCOANALYSISByNatasha PuriRoll No.-3905M.Sc Forensic Science 1st Sem.1
  2. 2. INTRODUCTION Technique used in the Forensic Psychology forInvestigation Purposes Means “Anaesthesia” Term was coined by Horseley A diagnostic and psychotherapeutic technique that usespsychotropic drugs It’s a process of abreaction or catharsis2
  3. 3.  Also known as Truth Serum or Drug Hypnosis or Narcointerview technique Hypnosis is induced by using Barbiturate’s or otherpsychotropic drugs as a means of releasing repressfeelings Technique effective in two ways i.ea. Therapeuticb. Rehabilitative3
  4. 4. HISTORY It first reached the mainstream in 1922,when Robert House, aTexas obstretrician used the drug Scopolamine on two prisoners American Armed Forces and Intelligence Agencies continued toexperiment with Truth Drug mostly Barbiturate during and afterwar It was widely used in 1940’s4
  5. 5. NARCO ANALYSIS IN INDIA A few democratic countries, India most notably, still continueto use narco analysis Narco analysis/Narco interview for the purpose of interview isconducted in a Forensic Laboratory Interview is conducted in laboratory where facility of minoroperation theater is available In India, at Bangalore & Gujarat test is conducted Consent of Court is require5
  6. 6.  Objective of the test is to extract information from theaccused when s/he in hypnotic state Comprises the whole team of expert Helps to elicit concealed info relevant to crime Helps in eliminating the innocent person6
  7. 7. PRINCIPLE By using imagination a person is able to lie In this test, subject’s imagination is neutralised by makinghim/her semi-consciousIn this state, it becomes difficult to lie and answers wouldbe restricted to facts s/he is already aware ofEfforts are made to obtain probative truth about the crime7
  8. 8. TEAMS OF EXPERT Clinical Forensic PsychologistPsychiatrist Physician Anesthetist Audio-Videographer Writer8
  9. 9. PROCEDURE OF NARCO-ANALYSISIt includes followingPre Test Interview Pre-Narcotic State Semi-Narcotic State Post Test Interview9
  10. 10. Pre Test Interview: Individual is explained regarding the wholeprocedure and informed consent is takenPre Narcotic State:Anaesthetist induces narco and maintain the pre-narcotic state throughout the interview Drug is injected till the person appears relaxed and ina state of good contact10
  11. 11. Drug i.e Sod.Pentothal is givenintravenously to induce hypnosisA 5% or 10% solution of druginjected slowly in antecubital veinNMT 1gm/grain per minute As individual’s speech startsslurring interview begins11
  12. 12. Semi Narcotic State:After establishing the semi narcotic state and theindividual’s appears to be:a. Flushedb. Slowing and slurred speechc. Nystagmus observing by testing examinee’s eyemuscle with finger Forensic Psychologist or Psychiatrist facilitate theinterview12
  13. 13. Individual is allowed to sleep off and allowed towake up on his/her off Once s/he wake up, anaesthetist checks him/her andallow to drink coffee or tea Complete narco interview is audio-video recoded andalso written13
  14. 14. MOA of Drug Sod. Pentothal(thiopental,Thiopentone)is a rapid onsetShort acting barbiturate generalanaestheticIt acts on GABA-A Receptor GABA Receptor areInhibitory channel & barbiturateEnhance inhibitory activity14
  15. 15. Post Test Interview:a.Memory is Checkedb.Individual is allowed to know what s/he hasspoken during interviewc.Individal experience more relax and anxiety freestate15
  16. 16. IMPORTANT ISSUES Informed consent & willingness to go Narcoanalysis IO’s requirement in aid of investigation Provision of law in Indian Constitution16
  17. 17. CASES WHERE IT HAS BEEN AID Nithari Murder Case Aarushi Case Abdul Karim Telgi Case Bhavri Devi Case*17
  18. 18. LEGAL STATUSOn 5th May 2010 Supreme Court Of IndiaConcluded following point w.r.t this testArticle 20(3) of the Indian Constitution-"No person accused of any offence shall becompelled to be a witness against himself. The Test result can’t be admitted asevidence if they have been obtained throughthe use of compulsion18
  19. 19. CONCLUSION It is a proven technique in the medical set up as wellas in forensic set up for investigation purposeTest require procedure, precaution & expertise to usein the investigation Suspect willingness & his right need to be protectedas mentioned in NHRC19
  20. 20. REFERENCE Supriya Rai, Narcoanalysis Test ConstitutionalImperatives, SLS Wikipedia, the free encyclopedia Sahara Samay V. Rediffnews.com Hem Raj Singh: Narco Analysis: constitutionallyQuestionable, Lawyers Updatehttp://www.globetrotters.co.uk/bites/bite_485.html http://www.biopsychiatry.com/amobarbital.htmhttp://www.tehelka.com/story_main24.asp?filename=Ne123006Narcoanalysistest_CS.asp http://in.rediff.com/news/2007/jan/09spec.htm20

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