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首页 侦探文的好帮手破案术大全(Detective´s great helper Dete…

侦探文的好帮手破案术大全(Detective´s great helper Detective Stories).doc

侦探文的好帮手破案术大全(Detective´s g…

samantha静雯 2017-10-11 评分 0 浏览量 0 0 0 0 暂无简介 简介 举报

简介:本文档为《侦探文的好帮手破案术大全(Detective´s great helper Detective Stories)doc》,可适用于人文社科领域,主题内容包含侦探文的好帮手破案术大全(DetectivesgreathelperDetectiveStories)侦探文的好帮手破案术大全(Detective'符等。

侦探文的好帮手破案术大全(DetectivesgreathelperDetectiveStories)侦探文的好帮手破案术大全(Detective'sgreathelperDetectiveStories)Nomatterhowcarefullythecriminalsplotthecrime,onethingiscertainTheywillleaveaflawbeforetheyleavethesceneA,fingerprintfilesAsyouallknow,therearenotwoidenticalfingerprints,andithasthefollowingcharacteristics,frombirthtodeath,thepatternofhumanfingerprintsisconstant,whentheskinregenerates,thefingerprintsalsoregenerate,soburningorperforminganoperationdoesn'tnecessarilychangethefingerprint,fingerprintsareoneofthelastpartsofdecayafterdeathTheycanidentifydeadpeoplewhodiedforseveralyears,thepalmofthelinesandfingerprints,canalsohelpsolvethecase,canleavefingerprintsofitemsincludingpaper,paintedobjects,notpaintedwood,plants,glassandmetal(mostrubbergloveswillalsohave,however,unlessitisspecialcriminalsbeforeleaving,otherwiseyoucan'tgetit)Itemsthatcannotbeleftwithfingerprintsarestones,stones,andbricksThefollowingmethodsareavailableforobtainingfingerprints:,applytoglass,windowframeandlightswitchlightsmoothsurfaceFirstofall,withthehairbrushgentlybrushedthedustonthesurfaceThedustwasstuckinthesweatfingerprintslines,removedthetransparenttapecleanonfingerprint,pickedupafterthedateonacard,andplace,ontheroughsurfaceofthefingerprint,suchascaraccessoriessuchastheavailablecyanoacrylateadhesiveisheatedinthecar,andthecarseal,thiswillproducesteam,fingerprintbecomewhite,andfixedinplaceTakefingerprintsoffinmethod,forfingerprintsonpaper,spraythreegramsofthepaperonthepaperwithanaerosolandheatitwithaniron,whentheroomcannotfindfingerprints,turnoffallthelightsintheroom,andusethelaserdetectortospraytheroom,sothatsomeofthecompoundsonthefingerprintcanbelitandthefingerprintswillbetakenB,autopsyclueHowdoyoudoanautopsy,wearprotectiveclothing,masks,gloves,carefullyobservetheappearanceofthebody,payspecialattentiontoabrasions,needles,stabbedandotherwoundsAwoundinthearmorhandmayindicatetheconditionofthevictim'sdeathmeasurebodylengthandweight,openthedeadbody,takeouttheheart,brain,lungs,liver,etc,carefullyexaminedtakeoutthecontentsofthestomachandtestcollectsamplesofskin,hair,bloodandtissuesofthebodyandtestit,putthethingsinplace,suturethebody,havedinner,ifyoustilleatThroughtheautopsyroomtomanythings,suchas,thebodydraggedoutofthefire,checkthelungshavesmokefree,todeterminewhetherthedeceasedwasaliveordiedafterbeingburned,thebodypulledoutofthewater,iftherearesmallbubblesinthenoseandmouth,thereisalargenumberofdiatomsinthelungsandkidneys,itisdrowned,observethewoundunderamicroscope,Havingwhitebloodcellsontheedgeprovesthatthewoundwascausedbydeath,abodyfrombitteralmondflavor,brightpink,Shiban,thedeceasedwaspoisoned,whentheskullisfractured,thedamagedbraintissueishitbyahardobjectnearthebreachThedamagedbraintissueisintheoppositepartoftheheadandtheothersidefallsfromthetopandhitsthehead,thethroatcongestion,neckdent,ofcourse,wasstrangled,malethanfemalenarrowpelvisNowI'dliketointroducesomefragmentaryknowledgeAcollectsanddetectsclothingfibers,collectfibersfromthesceneofthecrimeandgluethemintosuspiciousplaceswithstickytape,whereallthefibersareglued,stickthestickytapeontoacleanplasticsheetsothatitcanfixthefiberandpreventitfrombeingcontaminated,takethefiberobtainedfromthecrimescene,takethesuspect'sclothing,putthemunderthemicroscope,andtheclothesandcolorsdonotmatchthefiberscreening,useahighcontrastmicroscopetocomparefibersandclothingafterscreeningThismicroscopecanmagnifyobjectstimesandallowyoutoseesetsoffiberssimultaneously,iftheyarefoundinamicroscopewiththesamewidthandcolor,theyshouldbeseparatedbyathinlayerchromatography(TLC)toanalyzeitschemicalcompositionBecausethinlayerchromatographyismoreprofessional,itisnotwritten(mostlyI'mtoolazy)B,howaboutcopytireprints,pouramixtureofwaterandplasterintoastrongplasticbagtomakeitwellblended,cutthecornerofthebagandcasttheplasterevenlyoverthetire,justlikeacreamcakeOfcourse,youdon'thavetosqueezetheflowersout,whentheplasteriscompletelydryandhardened,justpickitupThismethodcanalsokeepshoeprintsandteethmarksC,aboutbullets,bombs,thegunbarrelinsidehavespiralrifling,itcanletthebulletsspinup,soitwillmakethefiringabulletbodytodrawlines,gunbarrelindifferentspiralgroovesaredifferent,andthebarrelofthegunwillwear,thewearconditioncannotbeexactlythesameSoeachbullethasdifferentlines,anditmatchesthegunbarrelThroughthistheory,IBIS,acompleteballisticidentificationsystem,canverifywhetherthesamepistolhasbeenrepeatedlycommittedbybulletlines,thewoolfabricwithaweakacidsolution,wipethehands,face,etc,youcanknowifhehasusedapistolinashorttime,wipedowntheblackpowderresiduecanexplaintheproblem,throughtheexplosionpointneartheremnantsofthespecialburningpointandmeltingpoint,afterthebombleftatraceofpowder,thebombcontainerfragmentscanfindalotofcluesHowdoesDextracttoxicsubstancesfromthebody,findapersonyouthinkhasbeenpoisoned,usuallywiththefollowingsymptoms:Haveastomachacheshakefeelnauseouslikeaseriousillnessdiarrheaconstipationprostrationdeath,pouryourbloodintoatesttubeandaddanextractionsolventtoplugthetube,putthetesttubeinamicrohighspeedcentrifuge,whichwillrotateatrpm,thebloodandtoxinsareseparatedbydensityandtheactionoftheextractionsolvent,thebloodisunder,andthetoxinison,thedetectionoftoxinsontheline

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