Investigation of Bloodstains

Anonymous
timer Asked: Jul 2nd, 2018
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Question description

Investigation of Bloodstains

You are a member of a homicide investigation team. Team members have sent you digital images of a recent death case. As a trained and certified bloodstain pattern analyst, you have been provided with the following images for interpretation of bloodstain patterns found at the crime scene.

I will upload photo as crime scene photo one in Attachments

Based upon your review of the aforementioned photographs, you recommended to your supervisor that there might be additional evidence at the scene. Upon arrival, you participate as a member of a crime scene processing team, and you have used luminol to enhance bloodstain evidence at a crime scene.

View the images of enhanced bloodstain evidence:

Sceond photo will be uploaded in attachments

At the office, your supervisor asks you to write a report for the lead detective on this case.

Based on your analysis and interpretation of the bloodstain patterns in the above pictures, create a 4- to 5-page report in a Microsoft Word document addressing the following:

·Your initial review of the crime scene photographs.

·Your analysis on the bloodstain patterns in the pictures provided.

·Your interpretation of the bloodstains.

·Your interpretation of bloodstains developed with fluorescence.

·Determine if the bloodstains are passive, spatter, or altered.

·Sub-categorize the bloodstains, such as clotted, diluted, dried, diffused, etc.

·Methodology used to search the scene for bloodstains and use of chemicals for visualization of bloodstains.

·Methodology used for processing and collection of the various bloodstains.

·Summary of the data obtained from the photographs.

·Your hypothesis and the scenario.

·Support your responses with examples.

·Cite any sources in APA format.

Crime Scene After Applying Luminol

Tutor Answer

masterjoe
School: UCLA

Attached.

Running head: INVESTIGATION OF BLOODSTAINS

Investigation of Bloodstains
Name:
Institution:

1

INVESTIGATION OF BLOODSTAINS

2

The crime scene photographs indicate that someone was attempting to cover up a crime
by cleaning up although some blood spots are still visible. Evidence of a cover-up shows that the
crime being investigated at this scene is a homicide. Luminol analysis indicates that the victim
lost a lot of blood and the chances of them being alive are very slim.
“Bloodstains can be categorized into three types; passive, transfer, and projected stains.
Passive stains comprise of pools, drops, and flows and usually result from gravity acting on an
injured body. Transfer stains occur when a bloody surface comes into contact with another
apparent, transmitting blood to that secondary surface. Projected stains result from the release of
pressurized blood on a surface” (NFSTC, n.d.).
Based on the photograph the pattern of the bloodstain could be projected bloodstain.
Blood is ejected from the artery as the heart continues to beat and as the blood travels it breaks
up into smaller distinct droplets. Projected stains result from releasing a large volume of blood
when the direction of the bloodstain hits a surface a large central stain if formed and is usually
surrounded by several spines of varying lengths.
The appearance of this peripheral stain can be valuable to an investigator since it aids in
determining whether a volume of blood forcefully struck an object or a surface. Projected
bloodstreams that fail to strike perpendicular surface progress alongside unique paths until they
land on a flat surface. The blood spatter on the d...

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Anonymous
Totally impressed with results!! :-)

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