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Criminalistics- Introduction to Forensic Science

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Helen Valentine was found deceased in the master bedroom of her upstairs, two-bedroom apartment, at 11:58 AM on Tuesday morning. Upon arrival, the investigators noticed an empty bottle of vodka on the floor of her bedroom, and two shot glasses- half-full with vodka, on the kitchen table. There were also three visible dust footprints on the linoleum floor in the bathroom and kitchen. The television was on and the refrigerator was slightly ajar. Some half-eaten cheese and crackers were located on the countertops in the kitchen, and the smell of bleach was very apparent in the kitchen. Valentine was found in a prone position, completely nude, with her head towards the foot post of her bed, facing the wall. Valentine's entire apartment was a mess, but there does not seem to be any real signs of struggle. Investigators noticed a few cuts and bruises on Valentine's wrist. After closer examination, investigators noticed a small gunshot wound on her left temple. The weapon was found in very close proximity to Valentine's right side, next to her right shoulder.The three windows to Valentine's apartment were open and the front door was unlocked. Neighbors provided statements, stating that Valentine was a nudist and liked to flash people who passed by her windows. Investigators also found an apparent suicide note on the computer screen in the second bedroom (the computer was still on, but was in hibernating mode). Valentine's bank check; made out for $1,006.57 to a nudist colony resort and spa, lay on her computer desk.In the investigator's initial inspection, blood could be seen in the second bedroom and on the windowsill of one Valentine's apartment windows.

1. discuss how Locard's Exchange Principle might apply to the crime scene at Helene Valentine's home. Also discuss your initial concerns about the crime scene.
? Outline the responsibility of the first officer at a crime scene
Provide a historical perspective on Locard's Exchange Principle (LEP).
What contribution has this principle made on forensic science?
Provide the definition of LEP.
Apply the principle of LEP to the crime scene at the Valentine crime scene- be specific.
Present the evidence or possible evidence that can help highlight your understanding of LEP .
What implications does this pose to investigators? lab personnel?
Discuss your initial concerns about the scene. Be specific and thorough.
What questions remain unanswered? Why would they be of a concern?
The most important aspect of this particular discussion post is that you discuss YOUR INITIAL CONCERNS about the crime scene. You will definitely need to think deeply and thoroughly to provide a critical response.
As investigators we must be able to see the gray area. Things are not always black and white. I am going to grade you on the extent that you think about this crime scene. What questions remain unanswered? Why would they be a concern? THREE required scholarly references.

2.Following the crime scene processing at Helene Valentine's home, you have been asked to develop a training presentation for first responders. In 10 to 15 PowerPoint slides, explain the proper procedure for securing a crime scene and what to do in the event that evidence may have been altered, planted, destroyed, or contaminated.
? Outline the responsibility of the first officer at a crime scene.

This is a TRAINING presentation-
Make it fun, make it interesting.
include a title?
include introductory slide?
include conclusions slide ?
Is there a note section on any of the slides? (there SHOULD be a note section on ALL of the slides with in-text citations)
include all of your references on a separate references slide in alphabetical order
Have you included enough content? This information should be in the form of main topics and subtopics with clarification. More explanation in the notes section is also required (paragraphs ok here) .
Consider your audience. Make this easy on the eyes- it should be thorough and comprehensive.
FOUR required scholarly references.

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Helen Valentine was found deceased in the master bedroom of her upstairs, two-bedroom apartment, at 11:58 AM on Tuesday morning. Upon arrival, the investigators noticed an empty bottle of vodka on the floor of her bedroom, and two shot glasses- half-full with vodka, on the kitchen table. There were also three visible dust footprints on the linoleum floor in the bathroom and kitchen. The television was on and the refrigerator was slightly ajar. Some half-eaten cheese and crackers were located on the countertops in the kitchen, and the smell of bleach was very apparent in the kitchen. Valentine was found in a prone position, completely nude, with her head towards the foot post of her bed, facing the wall. Valentine's entire apartment was a mess, but there does not seem to be any real signs of struggle. Investigators noticed a few cuts and bruises on Valentine's wrist. After closer examination, investigators noticed a small gunshot wound on her left temple. The weapon was found in very close proximity to Valentine's right side, next to her right shoulder.The three windows to Valentine's apartment were open and the front door was unlocked. Neighbors provided statements, stating that Valentine was a nudist and liked to flash people who passed by her windows. Investigators also found an apparent suicide note on the computer screen in the second bedroom (the computer was still on, but was in hibernating mode). Valentine's bank check; made out for $1,006.57 to a nudist colony resort and spa, lay on her computer desk.In the investigator's initial inspection, blood could be seen in the second bedroom and on the windowsill of one Valentine's apartment windows.

1. discuss how Locard's Exchange Principle might apply to the crime scene at Helene Valentine's home. Also discuss your initial concerns about the crime scene.
Locard's Exchange Principle applies to the crime scene. The principle in short is "every contact leaves a trace". There are several places at Helene's home where there was obvious contact and traces could be found. Consider these points of contact, the empty bottle of vodka, two shot glasses half ull with vodka, three dust footprints, the half eaten cheese and crackers, the cuts and ...

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Criminalistics- Introduction to Forensic Science

1. The defense has filed a motion to suppress the footprint evidence, handwriting analysis, and the evidence obtained using alternative light sources gathered at the crime scene at Helene Valentine's home. She has asked you to prepare a 3-5 page paper that explains the processes used in gathering that evidence along with cited sources that she can use to bolster her argument against suppressing the evidence.

(crime scene- Helen Valentine was found deceased in the master bedroom of her upstairs, two-bedroom apartment, at 11:58 AM on Tuesday morning. Upon arrival, the investigators noticed an empty bottle of vodka on the floor of her bedroom, and two shot glasses- half-full with vodka, on the kitchen table. There were also three visible dust footprints on the linoleum floor in the bathroom and kitchen. The television was on and the refrigerator was slightly ajar. Some half-eaten cheese and crackers were located on the countertops in the kitchen, and the smell of bleach was very apparent in the kitchen. Valentine was found in a prone position, completely nude, with her head towards the foot post of her bed, facing the wall. Valentine's entire apartment was a mess, but there does not seem to be any real signs of struggle. Investigators noticed a few cuts and bruises on Valentine's wrist. After closer examination, investigators noticed a small gunshot wound on her left temple. The weapon was found in very close proximity to Valentine's right side, next to her right shoulder. The three windows to Valentine's apartment were open and the front door was unlocked. Neighbors provided statements, stating that Valentine was a nudist and liked to flash people who passed by her windows. Investigators also found an apparent suicide note on the computer screen in the second bedroom (the computer was still on, but was in hibernating mode). Valentine's bank check; made out for $1,006.57 to a nudist colony resort and spa, lay on her computer desk. In the investigator's initial inspection, blood could be seen in the second bedroom and on the windowsill of one Valentine's apartment windows).

Be sure to reference all sources using APA style.

Instructor Comments:
Include an abstract paragraph (125-50 words)
Describe specific evidence collection techniques used in gathering footprint evidence /shoe impression evidence.
How would this evidence be analyzed in the lab?
Please mention specific laboratory techniques and discuss the role of the examiner.
Discuss specific evidence collection techniques using gathering handwriting evidence .
How would this evidence be analyzed in a lab? Please mention specific laboratory techniques and discuss the role of the examiner.
Apply information that you have learned in class such as - ex. known exemplars
Discuss in detail, the process of filing a motion to suppress physical evidence.
Again, make sure that this presentation is balanced. Do not focus too much on one area of the paper-make sure all areas are addressed equally.
Do not forget your FOUR required scholarly references. I want to see RESEARCH.

2. Using the Internet, your textbook, or any other available materials, research a notorious criminal case where shoe impression, tire impression, handwriting analysis, alternative light sources, computer, or Internet evidence was presented as evidence of special interest to the case. Briefly summarize the case and provide citation information so that your classmates and instructor may easily find the material included in your response. Please free to expand your discussion if the case you are researching presents more than one type of evidence.
Based on the knowledge and information you have learned in class, describe the proper protocol/procedures that may be used by a criminalist to examine such evidence (discuss proper collection, preservation, and testing analysis associated with the evidence).

Prepare 4-5 paragraphs and be sure to reference all sources using APA style.

Instructor comments:
Make sure that you research a case that either used shoe impressions, tire impression evidence, handwriting analysis, alternative light source evidence, computer evidence, or Internet evidence.
Please note that your case does not need to include ALL of the following evidence.
If your case includes more than one type of evidence, please note that as well.
Please provide specifics about the investigation/ background of the case. Were there any problems associated with handling the evidence in this case?
Taking what you have learned from class thus far, provide a thorough discussion of how a criminalist may: properly collect, preserve, and analyze the evidence presented in this case (best practices).
Discuss some of the specific laboratory techniques that may be conducted to analyze the evidence. (If you are researching an older case, provide information about how that evidence might be analyzed today).
Although it is not mandatory to find case information in the school's library, you still need to provide appropriate citation for the material that you present in your discussion board.

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