Transcription
A Simplified Guide To CrimeScene Investigation
egardingguiltorinnocence.Principles of Crime Scene nd
uspects.GaugingtheValueofEvidence
Itisunique- - - nstanceifthevictimwasanon- couldbeanimportantbitofevidence.
(CourtesyBeckyCarter,CEP)Itisaphysicalmatch- item.Why and when is a crime sceneinvestigation dandinvestigatedincludingthescenesof: Investigatorsmaydiscoverthatseveralcrimeshavebeen
ndarycrimescene.How It’s estigation: mprobablepointsofentry)Collectlow- enes
dentification(IAI)thatdemonstratetheirproficiency: etyandhealthhazards- t,investigatorsestablishanareathatissizeable
blishsecurity- ecessary.3.Plan,communicateandcoordinate- opanevidence- uations.4.Conductaprimarysurvey/walkthrough- idence- umentandprocessthescene- ionwithdigitalandvideocamerasor,ifavailable,a3- realsocreated.Duringtheevidence- ‐collectionprocess,itis
view- tep.7.Recordandpreserveevidence- Inadditiontohelpingprovidecluesto
lchallengesfortheinvestigator.
ry,isdesignedtoensureathorough,high- idenceshouldbetestedandanypost- rectsawalk- herearetwo
p://www.ascld- ‐lab.org/)andANSI- mationsuchas: tionthatwouldbeimportanttothenon- ll.
vestigatedarenotofahigh- onof3D- nvestigatorsandforensicscientistsinvolved.Common online(http://www.nij.gov/topics/law- ‐enforcement/investigations/crime- - ,fingerprints,clothingfibers).Associativeevidence- ofthecrime.Biologicalevidence- dfromahuman,plantoranimal.Chainofcustody- fortheevidencetobetamperedwith.
Contamination- evidencecontamination.Controlsample- inatedduringthecommissionofthecrime.Cross- ‐contamination- iminationsample- fulaccesstothescene.Firstresponders- tor(s)incharge.Fluorescentpowders- withanalternatelightsource.Impressionevidence- ainstthem.Latentprint- nciple- erresponders- ireandrescueofficers.Presumptivetest- ecificcompoundsofwhichitiscomprised.Probative- luabletoaninvestigation.
Reconstructiveevidence- shoeprints.Referencesample- /orvictim.Traceevidence- ransientevidence- ample- Resources & esandpublicationslistedbelow.ResourcesC RIMES CENEINVESTIGATION ,AG UIDEFORL AWE ,J.C RIMES CENEINVESTIGATION ;PrenticeHall:UpperSaddleRiver,NJ.2000C RIMES CENEINVESTIGATION ofJustice,Washington,D.C.(2004).
argo,FL(2011).Ritter,N.D NAS OLVESP ROPERTYC RIMES( B UTA REW ER EADYFORT HAT ?)(http://www.nij.gov/journals/261/dna- ‐solves- ‐property- Inc.FrankFitzpatrick,ForensicConsultant
Forensic Evidence Admissibility andExpert ll- n1975,morethanahalf- eflexible.[1]293Fed.1013(1923)
ormofanopinionorotherwiseif:a. idenceortodetermineafactinissue;b. thetestimonyisbasedonsufficientfactsordata;c. hods;andd. mitted,thejudgeshouldconsider: kyevidencecouldbehandledthroughvigorouscross- tTrilogy”ofcasesis:D AUBERTV .M ERRELLD OWP HARMACEUTICALS ,G ENERALE LECTRICC O .V .J OINERandK UMHOT IREC O .V .C ARMICHAEL .
ocandiscusscomplexevidenceortestinginaneasy- ‐to- vid.702.Itonlyallowsexperts“qualified ans,butmostincludein- ResourcesPublications:Saferstein,Richard.C RIMINALISTICS:A NINTRODUCTIONT OF ORENSICS CIENCE ,PearsonEducation,Inc.,UpperSaddleRiver,NJ(2007).
ensicScienceTechnologyCenter,Inc.About This (BJA),award#2009- ‐D1- ‐BX- tscomponentsoperate,contro
(Courtesy)Becky)Carter,)CEP)) "found"on"the"suspector"in"his
