Monday, December 5, 2011

In Class Activity: Crime Scene Analysis

In this activity, we (each group) was assigned a miniature crime scene. My group was assigned crime scene #1, where there were  11 evidences, and the body was found at the edge of a wooded area, near a small pond.
Evidence 1: torn leter
Evidence 2: Hair
Evidence 3: Fingerprint
Evidence 4: Possible poison
Evidence 5: Maggots
Evidence 6: Decaying face
Evidence 7: Footprint walking away from crime scene & victim's fooprint
Evidence 8: Fingerprint needed to be lifted off of glass
Evidence 9: Additional fingerprint
Evidence 10: Possible fiber
Evidence 11: Syringe

For the first clue, once the letter was reconstructed, we found it was a (possibly forged) suicide note. The cursive flowed with small gaps between the words,. did not have a slant, the words were directly on top of the line, the writer applied a great amount of pen pressure, letters such as the lowercase 'l' had big loops, and the dot for the 'i' was placed over the next letter.
For the next clue, through microscopic analysis, we proved the hair as Caucasian.
Next, clue #3, the fingerprint was identified as a plain arch.
Clue #4 was not any poison  or drug we know how to identify, so it remained unidentified.
Clue #5 and #6 proved that the body was in the Active decay stage, which is then sub-categorized as Butyric fermentation, which is 20 to 50 days after death and/or disposal.
For the seventh clue, the victim footprint had a height of 6 7/8", width of 4" and looked like an athletic shoe of a child. The suspect's footprint height was 11", width 4", and it was an athletic shoe.
Next, the 8th clue was a fingerprint needing to be lifted. We successfully lifted it to find it was an ulnar loop.
Continuing, the 9th clue, the additional fingerprint, was proved to be a double loop.
The unknown fabric, clue #10, was nylon. we proved this with microscopic analysis.
Lastly, clue #11 was the syringe, most likely used to poison the victim with the unknown poison.

Crime Story:

Lucas Moore got into a heated argument with his wife about their child and stormed out of their house. His wife filed for divorce, which drove Lucas into insanity. He was instituted to a mental asylum, where he built up anger over his child, which he blamed for the divorce. He escaped after a year of captivity, and planning how to kill his child. He located the residence of his ex-wife and child and left the forged note on the kitchen table. He later stalked his child down, who was on his way to school, taking a short-cut through the woods. Lucas tried to poison his child, but his son fought back, not recognizing his child after his year in the asylum. Lucas accidentally killed his son before he had planned to, so he fled the scene. 

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