Cov ntaub ntawv ua tus yam ntxwv ntawm kev tshawb nrhiav forensic tau muab faib ua ob peb hom loj. Nyob rau tib lub sijhawm, kev kuaj xyuas cov ntaub ntawv forensic yog hom kev paub ntau tshaj plaws uas tau ua hauv cov haujlwm ntawm cov tub ceev xwm txoj cai.
Kev kawm ntawm cov ntaub ntawv yog ib ceg cais ntawm kev tshawb nrhiav forensic, uas kawm txog cov yam ntxwv, qauv txav thiab tshwm sim ntawm cov ntaub ntawv ntawm qee yam xov xwm txhawm rau tsim cov ntaub ntawv tsim nyog rau kev tshawb nrhiav thiab nthuav tawm cov teeb meem txhaum cai. Hauv qhov no, cov ntaub ntawv tuaj yeem txhais hauv qhov nqaim lossis dav. Hauv kev txiav txim siab nqaim, daim ntawv tuaj yeem raug hu ua txhua qhov kev sau ua pov thawj uas yog pov thawj ntawm txhua yam, xwm txheej. Tsis pub dhau lub moj khaum ntawm kev tshawb nrhiav forensic, cov lus txhais dav dav ntawm cov ntaub ntawv yog dav, nyob rau hauv uas lawv raug txhais raws li txhua yam ntawm cov ntawv nyeem, cov khoom siv duab uas tuaj yeem ua rau txhua txoj kev thiab ntawm ib qho nruab nrab (sau ntawv, luam tawm, sau ntawv kos, thiab lwm yam).
Hom ntaub ntawv hauv lub moj khaum ntawm kev tshawb nrhiav forensic
Hauv kev ua txhaum cai, cov ntaub ntawv tuaj yeem ua lub luag haujlwm ntawm ntawv sau lossis cov ntaub ntawv pov thawj khoom. Yog hais tias daim ntawv yog ntawv pov thawj, ces tsuas yog nws cov ntsiab lus tseem ceeb. Forensic science yog qhov txawv txav los ntawm kev kawm txog cov ntaub ntawv uas tau lees paub tias yog cov ntaub ntawv pov thawj cov ntaub ntawv, txij li qhov no lawv tsis tuaj yeem hloov tau, lawv muaj qee tus cim uas tuaj yeem pom, kawm, thiab txhais. Ib qho ntxiv, qhov sib txawv yog tsim los ntawm cov ntaub ntawv raug cai thiab tsis raws cai, thiab kev faib tawm mus rau cov hom no tau ua tiav raws li cov ntaub ntawv los ntawm cov ntaub ntawv twg. Thaum kawg, lawv qhov sib txawv ntawm cov ntaub ntawv tiag tiag thiab cov ntawv cuav, thiab tom kawg tuaj yeem nrog cov khoom siv los yog kev txawj ntse.
Nta ntawm kev tshawb nrhiav forensic ntawm cov ntaub ntawv
Qhov tseeb ntawm kev tshawb nrhiav forensic ntawm ib qho ntaub ntawv raug txiav txim siab los ntawm cov haujlwm uas tus neeg tshawb nrhiav lossis lwm tus neeg ua haujlwm tau teeb tsa rau tus kws tshaj lij. Yog li, yog tias xav tau los txheeb xyuas tus sau ntawm daim ntawv, kev tshawb nrhiav sau ntawv yog nqa tawm, rau cov ntawv luam ntawm cov ntawv qhia dhau los yog qee zaum haum. Yog tias cov tub ceev xwm xav pom txog cov cuab yeej (siv ntawv, kua mem, kua nplaum thiab lwm yam ntsiab lus), tom qab ntawd tus kws tshaj lij yuav xav tau daim tseem. Ib qho ntxiv, kev tshuaj ntsuam xyuas kev txheeb xyuas cov ntaub ntawv cuam tshuam nrog kev saib xyuas ntawm qee txoj cai rau lawv kev khaws thiab tuav. Feem ntau, txoj haujlwm tseem ceeb ntawm txoj kev tshawb no yog txhawm rau txheeb xyuas cov cim kev hloov pauv ntawm cov ntsiab lus qub ntawm daim ntawv.
