Tuesday, December 6, 2011

WORK CITED

Work cited:
"Do        Not Cross | Who Murdered Robert Wone?" Who Murdered Robert Wone? |. Web. 02 Dec. 2011. <http://whomurderedrobertwone.com/2011/01/10/the-philadelphia-story/crime-scene-tape/>.
                "Handwriting Analysis - ENotes.com." ENotes - Literature Study Guides, Lesson Plans, and More. Web. 02 Dec. 2011. <http://www.enotes.com/handwriting-analysis-reference/handwriting-analysis>.
"FBI           - Fingerprints & Other Biometrics." FBI — Homepage. Web. 02 Dec. 2011. <http://www.fbi.gov/about-us/cjis/fingerprints_biometrics>.
"Hair             Analysis." Wikipedia, the Free Encyclopedia. Web. 02 Dec.                                                          2011.    http://en.wikipedia.org/wiki/Hair_analysis.
 "              Hair and Fiber Analysis." Web. http://www.centralreg.k12.nj.us/webpages/SHopson/files/hair.pdf.              
"M  
            Taking Tracks: The Forensic Analysis of Footprints and Footwear Impressions - Naples - 2004 - The Anatomical Record Part B: The New Anatomist." Wiley Online Library. Web. 02 Dec. 2011. <http://onlinelibrary.wiley.com/doi/10.1002/ar.b.20025/pdf>.
"Forensic Toxicology." Wikipedia, the Free Encyclopedia. Web. 02 Dec. 2011. <http://en.wikipedia.org/wiki/Forensic_toxicology>.
"Graphology, Handwriting Analysis - How Graphologists and Handwriting Experts Analyse Handwriting - Free Graphology Techniques and Theory Training." Businessballs Free Online Learning for Careers, Work, Management, Business Training and Education: Find Materials, Articles, Ideas, People and Providers for Teaching, Career Training, Self-help, Ethical Business Education and Leadership; for Personal, Career and Organizational Development. A Fun Free Online College of Ethical Life and Work Education, for Self Help, Teaching, Careeer Development, Distance Learning, Organizational Development, with Team Building Games and Exercises, Free Self-help and Training Ideas, Free Management Theories, Free Diagrams, Templates, Samples, Examples, Materials and Tools, Free Child Development Activities and Adults Development Exercises Ideas. Web. 02 Dec. 2011. http://www.businessballs.com/graphologyhandwritinganalysis.htm..
                    witness Analysis." Web. <http://chamindra.blogspot.com/2011/06/power-of-business-analyst.html>.
                   "Forensic Evidence.com: Identification Evidence/Lip Print Conviction Reversed - New Trial Ordered."   Forensic-Evidence.com - Welcome. Web. 02 Dec. 2011. http://www.forensic-evidence.com/site/ID/Lipprint_reversed.html.                                                                                                            
"                Google Images." Google. Web. 06 Dec. 2011. <http://www.google.com/imgres?um=1>.

WITNESS
We did a mini lab in our class for the witness part of the experiment.  The first thing you do is cut out images of faces from magazines. Show your partner how the face looks for only 10 seconds.  Then cut them out into piles which include the nose, forehead, mouth, hair and eyes. and mix. Have your partner try to put the face together. 





This experiment helped me understand how the witnesses do to identify a suspect that they probably only took one look at.  

HAIR & FIBER


Hairs and fibers are the most important evidence if found at a crime scene.  The first thing you can get out  of a hair sample is determining if the hair was forcibly removed or just fell out. By that you can get DNA or skin at the root of the hair and by able to identify who's hair is it.  Note that the hair could also be from an animal but could be useful as well.

 Fibers are also helpful to the investigation because the fiber can be traced back and the investigators can see from who it comes from.  Most of the fibers come from the individuals home therefor letting it be a valuable piece of evidence. 








Monday, December 5, 2011

Poison

Toxicology



















Poison is common in most of crimes and is not so hard to identify.  The examples I can think of are household chemicals, rat poison, sugar and metals. In the following chart I show you all the test that I have done for the poison lab.












Poison
Possible Poison Test #
Results
Sugar
Indication:
Once test reagent is added, purple color will form
1
2
3
·        Blue
·        Blue
·        Blue
Household Ammonia
Indication:
Odor
Ph above 7
PHTH in the solution will be pink purple
1
2
3
·        Strong odor, Ph=11, pink purple color
·        No odor, Ph=6
·        No odor, Ph= 6
Aspirin
Indication:
Ph below 7
When BTB is added, the color is yellow
1
2
3
·        Yellow, Ph= 1
·        Green, Ph= 6
·        Green, Ph= 6
Cyanide
Indication:
Ph below 7
Turns blood red where Fe+3 is added

1
2
3
·        Colorless
·        Positive, Red
·        Colorless
Iodine
Indication:
Turns blue or black when starch is added
1
2
3
·        Yellow
·        Pink
·        Blue








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This is the first clue and the fingerprints are very valuable.
1.Plain Whorl 
2. Central Pocket Whorl
3. Central Pocket Whorl
4.Ulnar Loop

The second clue is a note that was written and this fits into graphology which is hand writing analysis. As you can see the note says, " you will never find her!"

Handwriting

13 characteristics of handwriting

1. slant- which direction it temps to slant to and how much
2. size- handwriting is broken up into 3 zones which are the upper, the lower, and the middle
3. pressure- light or heavy
4. upper zone or case( as in l, t, h, etc)
5. lower zone (as in g, y, p, etc)
6. word spacing-wide or narrow
7. line spacing-Wide-spaced lines or narrow-spaced lines
8. page margins
9. middle zone or case (as in a, c, e, etc)
10. arcade
11. garland
12. angle
13. wavy line- unique characteristic

This helps forensics to identify if maybe a letter was faked and make it seem as a suicede when it was a murder.
CRIME SCENE 2