INTERPOL HANDBOOK ON DNA DATA EXCHANGE AND PRACTICE

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INVESTIGATIVE APPROACH TO THEFICTITIOUS SCENARIO• procedureExamination of the scene:The first police officer at the scene should make a very limited examination and evaluationof the scene. Care must be taken to avoid destroying existing evidence. The policeofficer should be satisfied that the extent of the scene has been correctly identified andshould enforce boundaries to ensure no potential evidence is compromised or lost.The following expert assistance should be requested in this order:1. Crime scene investigators and, when needed, a doctor to confirm death.2. Forensic examiner3. Senior police officer (SIO)4. Other experts if necessaryExamination of the toilets:The victim may have been attacked within the toilets and then moved.The offender may have entered the toilets following the attack leaving evidence in thetoilets after the rape. Questions to begin to consider include: Does other circumstantialevidence exist? Does the information available suggest any specific kind of modusoperandi?Examination of DNA evidence:Urgent analysis of all samples from the autopsy is vital, so that the offender’s DNAprofile can be recovered as soon as possible. Confirmation of the existence of a DNAprofile of the offender could prove essential for the investigation process.•asking the right questionsIntroduction - Description of the transit area:• How many areas are there like this within the airport?• Are they identical?• How easy or difficult is it to move from one transit hall to another?• for passengers• for airport staff• Which specific flights leave from this transit hall?• Has all relevant information about passengers and staff with access to this area beenrecorded?• Consider warning the police at all possible destinations to check the passengerswhen they arrive (How much time has elapsed since the death?). This could be adifficult and time consuming task.PAGE 16INVESTIGATIVE APPROACH TO THEFICTITIOUS SCENARIO
• Consider physical evidence that may be left on aeroplanes or at destinationairports.• Identify all surveillance (CCTV) cameras and secure all tapes or images.Scenario:The cleaning supervisor – who is he? Obtain all relevant information about hisbackground.• Should he be on duty at this time?• Everything appeared ‘normal’ – What is normal for the cleaning supervisor?• Examine and collect any fingerprints or DNA, footprints/shoe marks, samples fromthe scene.• Consider– reference/elimination samples from the supervisor.• Is there any reason to collect his clothes?• Consider legal issues, is the supervisor a witness or suspect at this time?The Body:• Cause and time of death?• Any distinctive features that may aid identification?• Any further identifiable evidence about the crime or the perpetrator?The Victim:• Who is she?• Is she airport staff?• Is there an ID-card present?• Is her clothing a uniform?• Does the victim have any keys for the room?• Is she a passenger?• Is there any unattended luggage left nearby?• Any flight or identity documents?• Is anyone missing from a recent flight?• Does she have a mobile telephone?• Is the victim seen on any CCTV and was she with anyone?When the body is formally identified we must confirm all the relevant informationabout the victim, and ascertain whether there is any property missing.Can we identify any apparent connection to the cleaning supervisor?Information relating to the scene, the body and all persons known to be associatedwith the circumstances or area should be considered in the context of forensic (DNA)examination as all could require processing for evidentiary or elimination purposes.(For more questions for consideration when using DNA in investigations see Appendix 4)INVESTIGATIVE APPROACH TO THE FICTITIOUSSCENARIOPAGE 17
Page 1 and 2: INTERPOLINTERPOL HANDBOOK ONDNA DAT
Page 3 and 4: INTERPOLINTERPOL HANDBOOK ONDNA DAT
Page 5 and 6: dna investigative considerations .
Page 7 and 8: INTRODUCTIONby ronald k. noblethe s
Page 9 and 10: •back to basics: the use of dna i
Page 11 and 12: •the dna databaseThe INTERPOL DNA
Page 13 and 14: PART i: CASE SCENARIOFICTITIOUS SCE
Page 15 and 16: He cautiously pushes the door open
Page 17: The only obvious item of evidential
Page 21 and 22: DNA SAMPLINGAND EVIDENCE COLLECTION
Page 23 and 24: •crime scene investigator (csi)Wh
Page 25 and 26: •potential sources of dnaThere ar
Page 27 and 28: Open the sampling kit and ensure th
Page 29 and 30: If at any time during the sampling
Page 31: IN THE LABORATORYOnce evidence has
Page 34 and 35: INTERPRETATION OF THE DNA PROFILEAs
Page 36: THE MATCH REPORTTo get to step 5 of
Page 43: QUALITY ASSURANCEQuality principles
Page 47 and 48: to ensure the best possible results
Page 49 and 50: •in-laboratory trainingAnother as
Page 51 and 52: •key education requirementAnother
Page 53 and 54: PART II: an overviewdna databasesPA
Page 55 and 56: With the increasing use of DNA prof
Page 57 and 58: INTERPOLMember CountryCrimeSceneRef
Page 59 and 60: THE VALUE OF A NATIONAL DNA DATABAS
Page 61 and 62: ESTABLISHING AN EFFECTIVE DNADATABA
Page 63 and 64: •need for a dna databaseOnce the
Page 65 and 66: PublicityOnce a database has been e
Page 67 and 68: It is not only the individual who i
Page 69 and 70:
LEGISLATIONSpecific legislation is
Page 71:
In conclusion, legislation has to f
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THE USE OF POST-CONVICTION DNA TEST
Page 76 and 77:
FAMILIAL SEARCHINGThe idea that a D
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“Familial searching” has its ad
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Recent progress in the forensic use
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The most informative target loci fo
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Another obvious issue associated wi
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APPENDIX 1INTERPOL Standard Set of
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1 16 DNA CODE:VWA THO1 D21S11 FGA D
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the process of dna analysisThe biol
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AnalysisThe data generated by elect
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NameTH01, TPOX,CSF1POmonoplexes(sil
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APPENDIX 4questions around anintell
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APPENDIX 5DNA FACT SHEETDNA Profili
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APPENDIX 6interpol dna search reque
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APPENDIX 7recommendationsfrom the e
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21. As a national DNA-database regu
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Glossary1-24/7AlleleAmelogeninBiolo
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Member CountriesMitochondrial DNA(m
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ABBREVIATIONSaimsascld/labasipbelte
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eferences1 Retrieved from: www.iso.
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40 Sibille, I., Duverneuil, C., Lor
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OIPC-INTERPOL200, Quai Chales de Ga
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INTERPOL HANDBOOK ON DNA DATA EXCHANGE AND PRACTICE

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