Works Cited

Drugs: http://www.vocativ.com/291203/white-people-do-more-drugs-black-people-serve-more-time/

Blood: http://discovermagazine.com/2014/oct/27-20-things-you-didnt-know-about-blood

Semen: http://www.menshealth.com/health/7-signs-of-healthy-semen

Saliva: http://www.todaystrucking.com/roadside-saliva-testing-set-for-michigan-pilot-program

Fibers: https://www.aliexpress.com/promotion/apparel_string-sweater-promotion.html

Fingerprints: https://en.m.wikipedia.org/wiki/Fingerprint

Firearms: http://www.thepreparedpage.com/top-5-prepper-firearms/

Glass: http://anima.lemerg.com/582312.html

Hair: http://www.all-about-forensic-science.com/forensic-hair-analysis.html

Impressions: http://www.clipartkid.com/shoe-prints-walking-cliparts/

Organs: https://www.pinterest.com/pin/469570698625223265/

Explosives: http://www.giantbomb.com/explosives/3055-91/characters/

Paint: https://www.pinterest.com/pin/151855818660502507/

Petroleum: http://www.petroleum.co.uk

Plastic bag: http://southernkrazed.com/2013/05/plastic-bags-reuse-them-dont-pitch-them/

Rubber bands: https://en.m.wikipedia.org/wiki/Rubber_band

Gun powder residue: http://www.wisegeek.com/what-is-gunpowder.htm

Serial number: http://www.dlink.com/uk/en/popups/find-serial-number

Documents: https://studysoup.com/blog/news/where-to-find-business-documents-now-that-docstoc-closed/

Soils, minerals: http://www.slideshare.net/mobile/TeacherAndrew/rocks-soils-and-minerals-1

Tool marks: http://www.nature.com/nature/journal/v466/n7308/fig_tab/nature09248_F3.html

Vehicle parts: http://garysautomotive.com/tag/vehicle-wear-parts/