NRS 440VN-DNA evidence Discussion

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1) When collecting DNA evidence it is always challenging. You need to know what you are collecting. You also need to know how to properly store the evidence. Here are some examples of biological evidence is blood, saliva, sweat, skin, semen, tissue, teeth, bone, feces, urine, hair and nail clippings. You have to make sure you do not cross contaminate the evidence, because if you do it will have to be get thrown out and that could lead to a person that is guilty to go free. You can use cotton tip applicators, like swabs, to collect the biological evidence. when collecting biological evidence make sure you are using gloves and use the right tools also. Crime scene investigator also collect fingerprints, footprints and tire tracks. To collect a fingerprint there are a few ways to do it Like using tape and taking a picture of it. Collecting the footprints and tire tracks they can take pictures of them and they can also make a mold of them so they will have something to compare them to.

2) Evidence that might be found at a crime scene may consist of blood, skin, hair, semen, saliva, and urine. Swabs (cotton tip applicators) collected for biological evidence may include buccal, oral, skin, fingernail scene investigators collect evidence such as fingerprints, foot prints, tire tracks, bite marks, perineal, perianal, vaginal, cervical Os, penile, scrotum, rectal. Hair collected is placed in an envelope. Comparing DNA profiles from the evidence with elimination samples may help clarify the results.

DNA evidence is not initially identified at the crime scene or on the victim, it may not be or it may become contaminated. DNA evidence can become contaminated when DNA from another source gets mixed with DNA relevant to the case. Three types of results can occur in DNA testing: inclusion, exclusion, and inconclusive. Inconclusive results indicate that DNA testing could neither include nor exclude an individual as the source of biological evidence. DNA from the victim with that of other DNA evidence found at the crime scene to determine possible suspect. This class has taught me so much about the aspect of forensics.

You must proofread your paper. But do not strictly rely on your computer’s spell-checker and grammar-checker; failure to do so indicates a lack of effort on your part and you can expect your grade to suffer accordingly. Papers with numerous misspelled words and grammatical mistakes will be penalized. Read over your paper – in silence and then aloud – before handing it in and make corrections as necessary. Often it is advantageous to have a friend proofread your paper for obvious errors. Handwritten corrections are preferable to uncorrected mistakes.

Use a standard 10 to 12 point (10 to 12 characters per inch) typeface. Smaller or compressed type and papers with small margins or single-spacing are hard to read. It is better to let your essay run over the recommended number of pages than to try to compress it into fewer pages.

Likewise, large type, large margins, large indentations, triple-spacing, increased leading (space between lines), increased kerning (space between letters), and any other such attempts at “padding” to increase the length of a paper are unacceptable, wasteful of trees, and will not fool your professor.

The paper must be neatly formatted, double-spaced with a one-inch margin on the top, bottom, and sides of each page. When submitting hard copy, be sure to use white paper and print out using dark ink. If it is hard to read your essay, it will also be hard to follow your argument.