AlleliFaithLeyritana
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Jun 11, 2023
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About This Presentation
First Responders in-CSI
Size: 907.98 KB
Language: en
Added: Jun 11, 2023
Slides: 42 pages
Slide Content
FIRST RESPONDERS IN CRIME SCENE
INVESTIGATION
1.Definition of Terms
2.Purpose of CSI
3.Procedure upon Receipt of complaint
4.Requisite of dying declaration
5.Investigative tools and equipment
6.Method of recording investigative data
SCOPE OF PRESENTATION
k.ForensicEvidence-Aformoflegalevidencethatcanbeusedinacourtof
lawtoconvictapersonofacrimeandasacategoryofpublicpresentation;
and
l.Jurisdiction–Theword“jurisdiction”asusedintheConstitutionand
statutesmeansjurisdictionoverthesubjectmatteronly,unlessan
exceptionarisesbyreasonsofitsemploymentinabroadersense.
DEFINITION OF TERMS
•ThemainconsiderationofCSIistosearchandcollectPhysicalEvidencesthat
willlinkthesuspecttothecrimescene.Thesuspectmayleavesomecluesat
thescenesuchasweapons,tools,garmentsorprintsthusLocard’sExchange
Principle-Ineverycontactleavestraces,mayapply.
•Locard'sprincipleholds that the perpetrator of a crime will bring something
into the crime scene and leave with something from it, and that both can be
used asforensic evidence.
•Whenevertwoobjectscomeintocontactmutualexchangeofmatterwill
takeplacebetweenthem,linkingsuspectstovictimsisthemostimportant
andcommontypeoflinkageaccomplishedbyphysicalevidenceincriminal
investigation.
Thegoldenruleofcrimesceneinvestigation
•"Nevertouchormoveanyobjectatthecrimesceneunlessithasbeen
properlydocumented(photographed,measured,andsketchedorvideo
graphed).Nottodestroyorcontaminatetheimportantcriminalthings".
•Note:asageneralrule,donotM.A.C.theevidence.donotMutilate,Alter,
andContaminate)
THE GOLDEN RULE OF CRIME SCENE INVESTIGATION
Isthecollectionandanalysisoffactsaboutpersons,thingsandplaces,
subjectofacrimetoidentifytheguiltypartyandprovideadmissible
evidencestoestablishtheguiltofpartiesinvolvedinacrime.
Investigationisthecollectionoffactstoaccomplishathree-foldaim:
a.toidentifythesuspect;
b.tolocatethesuspect;and
c.toprovideevidenceofhisguilt.
DEFINITION OF INVESTIGATION
1.Police line 12. Radio -exclusive channels, call sign, etc
2.Video camera 13. Siren
3.Voice recorder 14. Notebook, pen, etc
4.Camera 15. Megaphone/ PA system
5.Measuring device 16. Hand cuff
6.Gloves 17. Whistle
7.Flashlight 18. Fingerprint equipment
8.Fingerprint kit
9.Evidence bag
10.Evidence tag
11.Evidence bottles/vials
INVESTIGATIVE TOOLS AND EQUIPMENT
Standard Methods of Recording Investigative Data:
1.Photographs
2.Sketching crime scenes
3.Written notes (what you have seen/observed)
4.Developing and lifting fingerprints found at the crime scene.
5.Gathering physical evidence
6.Plaster cast
7.Tape recording of sounds
8.Video tape recording of objects
9.Written statement of objects and witnesses.
METHOD OF RECORDING INVESTIGATIVE DATA