Pretend that your residence is the crime scene. Please stage the scene by using a ketchup/water mixture to create a small pool of blood on the floor in your bathroom corresponding with the crime scene.

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Setting up the crime scene:

Pretend that your residence is the crime scene. Please stage the scene by using a ketchup/water mixture to create a small pool of blood on the floor in your bathroom corresponding with the crime scene. Also, drop some of the ketchup mixture on the floor in the bathroom and create a bloody footprint. Use a baseball bat, a hammer, or a piece of wood, whatever you have available, and place some of the ketchup mixture onto the edges of the item. Please hide the item in the vanity underneath the sink in the bathroom. Place some fingerprints and palm prints on the mirror in the bathroom.

The portfolio assignment is consistent with the timely investigation of a real crime scene. The CSI responds to the death investigation and documents the scene. In Milestone 1, the CSI arrives on the scene and takes notes, as well as describes the scene in detail. In Milestone 2, the student photographs the scene and draws a rough sketch. Throughout milestones 1 and 2, as well as the different parts of the portfolio projects, the note package is updated. It is a fluid document from the beginning of the scene investigation to the collection of the last piece of evidence including property receipts and the chain of custody. The investigation continues and new information about the suspect is available for the portfolio assignment.

Part 1:

After the victim had been removed from the crime scene, you detect a pool of blood and a bloody footprint.

  • Document the blood evidence with photographs (with and without scale) and evidence markers (create some evidence markers using a folded piece of paper and a marker). Begin with “Number 1” for the first item of evidence and continue throughout your evidence collection and scene processing. Use a ruler for the photos with a scale to show the size of the stains and the pool of blood.
  • Add the photographs to your presentation that you begin started in your Portfolio Milestone #2.
  • Obtain measurements of the blood evidence and add them to the rough sketch.
  • Add the information of the blood evidence to the notes. Include the date, the time, and your activity. For example: “9/10/18, 4:15 PM. CSI Smith took 5 overall photos, 2 medium range photos of the pool of blood with and without scale.”

DON’T FORGET TO CONTINUE TO ADD THE INFORMATION TO YOUR SCENE NOTES!

Part 2: Collection of blood evidence

After you documented the blood evidence with photos, sketches, and measurements, you collect the samples.

For this activity, you need

  • Sterile cotton swabs
  • Sterile water (regular water will be appropriate for the mock scene)
  • A small envelope or cardboard box to collect the dried blood sample

You are asked to collect the blood sample from the bathroom scene. Please use the proper packaging and preservation method for the sample. Take photos of the following:

  • Cotton swab
  • Collected blood on a cotton swab
  • Packaging of the swab

Include the information on the bag, such as:

  • Case number
  • Item number
  • Description of the item
  • Date and time of collection
  • Initial of the CSI collecting the evidence

Create a property receipt and maintain the chain of custody for the blood evidence collected from the scene. (Use the provided template)

DON’T FORGET TO CONTINUE TO ADD THE INFORMATION TO YOUR SCENE NOTES!

Part 3: Crime scene search

After you documented and collected the blood evidence, you are searching the crime scene for additional evidence.

Note: Your bathroom is the crime scene, and you placed a bloodstained item (hammer, baseball bat, or piece of wood) in the vanity.

  • Identify the search pattern that you use for the search in the bathroom.
  • Photograph the bloody item with overall, medium-range, and close-up photos.
  • Mark the item with the marker number…….and take a photo with and without the marker number
  • Add the item and the measurements to the rough sketch.
  • Package the item (include the required information on the outside of the bag)
  • Create a property receipt and maintain the chain of custody for the blood evidence collected from the scene. (Use the provided template)

DON’T FORGET TO CONTINUE TO ADD THE INFORMATION TO YOUR SCENE NOTES!

Add the photos and the property receipt to the PowerPoint presentation for the grand jury. (This is the same presentation that you started in Portfolio Milestone #2 and that you already added more photos of evidence.

Part 4: Fingerprints

While investigating the crime scene, you notice some fingerprints and palm prints on the mirror in the master bathroom.

Using the appropriate method, develop the latent fingerprints (remember the exercise with the cocoa powder).

  • Develop the latent fingerprint
  • Photograph the print with and without scale/ruler
  • Lift the fingerprint using Scotch tape
  • Create a property receipt and maintain the chain of custody for the blood evidence collected from the scene. (Use the Property Receipt provided template Download provided template.)

DON’T FORGET TO CONTINUE TO ADD THE INFORMATION TO YOUR SCENE NOTES!

PART 5: Bring it all together for the Grand Jury presentation

After your scene investigation is concluded, you are cleared from the scene at approximately 11:45 pm. You sign out on the crime scene log and transport the collected evidence to the headquarters of the Sun City Police Department.

For the grand jury presentation of the case, please ensure to include the following:

  • Complete the PowerPoint presentation that you started with Portfolio Milestone #2. Ensure to include:
  • Photos of the scene and all evidence developed, such as the fingerprints collected and preserved (the weapon, the blood sample, etc.)
  • All property receipts
  • Maintain the chain of custody of all evidence collected.
  • Complete the notes package of the crime scene investigation. Save it as a word document and submit it separately from the presentation.

Add all relevant information into your PowerPoint presentation for the grand jury, who will be tasked to identify if there is enough evidence to charge the husband in the death of his wife.

Develop your presentation and include the evidence from these exercises.

Requirements: Submit all forms as detailed in the portfolio’s description and the PowerPoint presentation. Use any presentation software you prefer (PowerPoint, Prezi, or SlideShare, for example). Your presentation must be 18 slides in length, not including the title and reference slides, which are required.

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