Txoj kev saib xyuas yog dab tsi thiab vim li cas nws tseem ceeb?
Txoj kev saib xyuas yog dab tsi thiab vim li cas nws tseem ceeb?

Video: Txoj kev saib xyuas yog dab tsi thiab vim li cas nws tseem ceeb?

Video: Txoj kev saib xyuas yog dab tsi thiab vim li cas nws tseem ceeb?
Video: Muaj Yis hauv Xib tes yuav Qhia tau Txoj Hmoo li cas 2024, Hlis ntuj nqeg
Anonim

A saw caj dab yog thaum cov ntaub ntawv sau los ntawm qhov chaw ua txhaum cai thiab siv los tsim ib qho saw caj dab los qhia dab tsi nyob rau ntawm qhov chaw, nws qhov chaw thiab nws tus mob. Nws yog tseem ceeb vim nws tuaj yeem siv tau thaum lub sij hawm txiav txim plaub ntug.

Tsis tas li ntawd, txoj hlua ntawm kev saib xyuas yog dab tsi thiab muab nws qhov tseem ceeb?

Chain kev saib xyuas yog tseem ceeb vim hais tias yog cov pov thawj tau hloov kho lossis tsis tuaj yeem ua pov thawj tias nws tsis tau hloov pauv thaum lub sijhawm sau thiab siv hauv tsev hais plaub, cov pov thawj ntawd tsis tshua ntseeg lossis ntseeg tau li qhov nws xav tau.

Tsis tas li ntawd, dab tsi yog cov kauj ruam hauv kev saib xyuas? Lub sij hawm saw caj dab yog hais txog cov txheej txheem ntawm kev tswj xyuas thiab sau cov ntaub ntawv tuav pov thawj.

Cov txheej txheem los tsim cov chains ntawm kev saib xyuas

  • Qhov chaw pov thawj.
  • Lub sijhawm thiab hnub tim ntawm cov ntaub ntawv pov thawj.
  • Kev piav qhia ntawm yam khoom.
  • Qhov xwm txheej ntawm qhov khoom.
  • Cim cim rau ntawm cov khoom.

Tsuas yog li ntawd, txoj hlua ntawm kev saib xyuas yog dab tsi thiab vim li cas nws tseem ceeb quizlet?

Cov ntaub ntawv ntawm leej twg tswj cov pov thawj los ntawm thaum ib yam khoom ua pov thawj. Pab qhia tias cov ntaub ntawv pov thawj uas tau muab tsis tau raug cuam tshuam nrog thiab yog qhov tseeb. Thaum lub forensic lab txheej txheem tag nrho cov ntaub ntawv pov thawj.

Dab tsi yog 4 yam uas ua kom muaj kev saib xyuas?

Cov txheej txheem sau, khaws cia, ntim khoom, tsheb thauj mus los, khaws cia thiab tsim cov ntawv teev npe yog tag nrho cov txheej txheem siv hauv tsim tus saw caj dab . Cov saw caj dab yog tsim tawm thaum twg tus kws tshawb nrhiav coj saib xyuas ntawm pov thawj ntawm qhov chaw ua txhaum cai.

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