Narco analysis
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Transcript of Narco analysis
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NARCOANALYSIS
By
Natasha Puri
Roll No.-3905
M.Sc Forensic Science 1st Sem.
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INTRODUCTION Technique used in the Forensic Psychology for Investigation
Purposes
Means “Anaesthesia”
Term was coined by Horseley
A diagnostic and psychotherapeutic technique that uses psychotropic drugs
It’s a process of abreaction or catharsis
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Also known as Truth Serum or Drug Hypnosis or Narco interview technique
Hypnosis is induced by using Barbiturate’s or other psychotropic drugs as a means of releasing repress feelings
Technique effective in two ways i.e
a. Therapeutic
b. Rehabilitative
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HISTORY It first reached the mainstream in 1922,when Robert House, a Texas
obstretrician used the drug Scopolamine on two prisoners
American Armed Forces and Intelligence Agencies continued to
experiment with Truth Drug mostly Barbiturate during and after war
It was widely used in 1940’s
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NARCO ANALYSIS IN INDIAA few democratic countries, India most notably, still continue
to use narco analysisNarco analysis/Narco interview for the purpose of interview is
conducted in a Forensic Laboratory Interview is conducted in laboratory where facility of minor
operation theater is available In India, at Bangalore & Gujarat test is conductedConsent of Court is require
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Objective of the test is to extract information from the accused 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 person
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PRINCIPLE By using imagination a person is able to lie
In this test, subject’s imagination is neutralised by making him/her semi-conscious
In this state, it becomes difficult to lie and answers would be restricted to facts s/he is already aware of
Efforts are made to obtain probative truth about the crime
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TEAMS OF EXPERT Clinical Forensic Psychologist
Psychiatrist
Physician
Anesthetist
Audio-Videographer
Writer
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PROCEDURE OF NARCO-ANALYSISIt includes following
Pre Test Interview
Pre-Narcotic State
Semi-Narcotic State
Post Test Interview
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Pre Test Interview: Individual is explained regarding the whole
procedure 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 in a
state of good contact
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Drug i.e Sod.Pentothal is given intravenously to induce hypnosis
A 5% or 10% solution of drug injected slowly in antecubital vein NMT 1gm/grain per minute
As individual’s speech starts slurring interview begins
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Semi Narcotic State:After establishing the semi narcotic state and the
individual’s appears to be:
a. Flushed
b. Slowing and slurred speech
c. Nystagmus observing by testing examinee’s eye muscle with finger
Forensic Psychologist or Psychiatrist facilitate the interview
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Individual is allowed to sleep off and allowed to
wake up on his/her off
Once s/he wake up, anaesthetist checks him/her and allow to drink coffee or tea
Complete narco interview is audio-video recoded and also written
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MOA of Drug
Sod. Pentothal(thiopental,
Thiopentone)is a rapid onset
Short acting barbiturate general
anaesthetic
It acts on GABA-A Receptor
GABA Receptor are
Inhibitory channel & barbiturate
Enhance inhibitory activity
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Post Test Interview:
a.Memory is Checked
b.Individual is allowed to know what s/he has spoken during interview
c.Individal experience more relax and anxiety free state
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IMPORTANT ISSUES
Informed consent & willingness to go Narcoanalysis
IO’s requirement in aid of investigation
Provision of law in Indian Constitution
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CASES WHERE IT HAS BEEN AID
Nithari Murder Case
Aarushi Case
Abdul Karim Telgi Case
Bhavri Devi Case*
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LEGAL STATUSOn 5th May 2010 Supreme Court Of India
Concluded following point w.r.t this test
Article 20(3) of the Indian Constitution-"No person accused of any offence shall be compelled to be a witness against himself.
The Test result can’t be admitted as evidence if they have been obtained through the use of compulsion
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CONCLUSION It is a proven technique in the medical set up as well
as in forensic set up for investigation purpose
Test require procedure, precaution & expertise to use
in the investigation
Suspect willingness & his right need to be protected as mentioned in NHRC
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REFERENCE Supriya Rai, Narcoanalysis Test Constitutional Imperatives,
SLS Wikipedia, the free encyclopedia Sahara Samay V. Rediffnews.com Hem Raj Singh: Narco Analysis: constitutionally
Questionable, Lawyers Updatehttp://www.globetrotters.co.uk/bites/bite_485.html http://www.biopsychiatry.com/amobarbital.htmhttp://www.tehelka.com/story_main24.asp?
filename=Ne123006Narcoanalysistest_CS.asp http://in.rediff.com/news/2007/jan/09spec.htm
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