Ballistics

Forensic ballistics kev ntsuam xyuas kom nyob rau hauv cov kev tshwm sim hais tias muaj yog ib tug tsis sib haum nrog cov ntsiab ntawm cov official kev tshawb nrhiav. Nws siv nws li ib tug refutation los yog ib tug retraction cov lus thiab cov ntaub ntawv xa mus rau tus txheej txheem ntawm lwm tus sab nrauv, los yog raws li pov thawj ntawm lawv txoj hauj lwm nyob rau hauv lub txim txhaum plaub ntug.

Ballistics xeem siv nyob rau hauv relation mus qhov riam phom uas twb siv nyob rau hauv lub commission ntawm ib txoj kev txhaum. Txoj kev tshawb no tso cai rau peb kom peb teb ib tug series ntawm cov lus nug thiab nrhiav tau tawm ib co ntawm qhov kev tshwm sim, namely:

1. Seb phom.
2. Lub chaw ntawm tus neeg mob thiab cov gunman txhaj koob tshuaj tivthaiv thaum lub sij hawm.
3. Hom, qauv riam phom.
4. Yog lub zoo meej txhaj tshuaj los ntawm cov xa riam phom los yog tsis.

Feem ntau, tshwj xeeb ua hauj lwm nrog cov ntaub ntawv hais tias ua li lub txim txhaum plaub ntug, fototablitsami, kev soj ntsuam xyuas ntaub ntawv los sis kev tshawb fawb ntaub ntawv muaj nyob rau ua ntej lawm. Qhov no yog vim lub fact tias tej zaum nws yuav tsis tau tsim ib txoj kev kawm ntawm rab phom, tus neeg zoo li los yog cia nyias.

Ballistic xeem yuav qhov kev xeem ntawm lub phom, lawv qhov chaw, machinery. Cov khoom, nyob ntawm seb qhov kev tshwm sim ntawm cov ntaub ntawv, muaj peev xwm yuav ntaus nqi, thiab lwm yam shooting ntaus ntawv. Piv txwv li, cov muaj xws li alarms, tsev mounting phom, raws li zoo raws li pneumatic thiab roj riam phom. Ballistic xeem kuj yog siv txoj kev mos txwv thiab mos txwv Cheebtsam thereof (tsiav tshuaj, cartridges, cia nyias). Rau khoom ntawm kev tshawb fawb muaj xws li mechanisms, cov cuab yeej thiab cov ntaub ntawv siv rau qhov siv thiab ua cov phom, kev hais, mos txwv, cov khoom. Ballistics kev ntsuam xyuas uas siv los kawm siv cartridges thiab cia nyias, ib co kua nplaum ntawm kev siv ntawm rab phom (ib co kua nplaum ntawm txhaj koob tshuaj tivthaiv), cov ntaub ntawv ntawm lub txim txhaum cov ntaub ntawv, mus kuaj, uas twb tau thaum lub sij hawm lub investigative xyaum ua tej yam.

Ua raws li cov kev qhia kom paub tshawb fawb muab ib tug xov tooj ntawm cov teeb meem. Mas teem ntawm cov khoom teej tug mus rau lub mos txwv los yog phom. Cov kev tshawb fawb teem hom, qauv, hom ntawm cov firing ntaus ntawv, ob qho tib si mos txwv thiab mos txwv ntaus ntawv nws tus kheej, thiab lub lem rau cartridge mob, vystrelyanyh bullets ib co kua nplaum rau ntawm tus teeb meem. Txoj kev tshawb no qhia cov khoom teej tug mus rau lub ntsiab los ntawm lub ntsiab txhais ntawm rab phom los yog qhov chaw mus rau lub ntsiab txhais ntawm cov mos txwv. Thaum lub sij hawm qhia kom paub txog kev tshawb fawb set gunshot xwm ntawm tej kev raug mob (txhaj tshuaj).

Nyob rau hauv kev, kev forensic diagnostic txoj kev tso cai rau koj los mus ua kom cov cim ntawm riam phom nyob rau hauv lub footsteps sab laug rau cartridge tus neeg mob thiab cov mos txwv. Siv tus qauv no ua rau nws ua tau rau nruab lub Cheebtsam teej tug mus rau ib qho piv txwv ntawm riam phom, tus neeg zoo li thiab cia nyias - ib tug patron. Txoj kev tshawb no tso cai rau peb qhia mechanisms thiab cov cuab yeej uas tau raug siv nyob rau hauv zus tau tej cov firing mechanism, mos txwv, khoom siv, thiab los mus txiav txim lawv serviceability. Nyob rau hauv lub chav kawm ntawm txoj kev tshawb no tsim tau ntawm firing mos txwv los ntawm tej yam kev riam phom, kev systematic sighting shooting, cov kev taw qhia, ze, thiab qhov chaw ntawm lub txhaj tshuaj tag. Ua ke nrog rau qhov no determined qhov chaw ntawm tus neeg mob thiab cov shooter, thiab tus naj npawb ntawm kev txhaj tshuaj thiab ib theem zuj zus ntawm tsim kev puas tsuaj.

Ballistics kev forensic cov kws txawj, cov kws txawj muaj ib tug ntau dua profile tsim.