Blood Spatter Analysis

754 words - 4 pages

Running Head: Blood Splatter Analysis

Blood Spatter Analysis
Kenisha Callahan
AJS 592
Dr. Steven Gilbert

Blood Spatter Analysis
Blood spatter analysis is “the systematic assessment of the visual patterns of bloodstains at crime scenes based on the physics of fluids” (Brodbeck, 2012, p. 51). It has been studied since 1895 when Dr. Eduard Piotrowski published "Concerning the Origin, Shape, Direction and Distribution of the Bloodstains Following Head Wounds Caused by Blows." The next acknowledgment of BPA was in 1955 when Dr. Paul Kirk entered blood splatter evidence in the State of ...view middle of the document...

All of this information together assists investigators to reconstruct crime scenes, corroborate witness statements, and exclude or include suspects in the investigation.
Blood characteristics upon striking hard surfaces
Blood spatter can fall on a number of surface textures. The type of surface the blood falls on has an affect on how the spatter will appear. The harder the surface, the fewer spatters there will be. When blood hits a surface which is hard and smooth, the blood breaks apart on impact. This causes smaller droplets that continue to move in the same direction as the original droplet. According to Ramsland (2014),
A smooth surface, such as glass, will provide the recording of a stain with clean edges and shapes of proper geometric proportion. A rough surface, like concrete, will break the surface tension irregularly and generate a star burst, or spinning effect. (Blood Pattern Analysis)
Challenges of blood spatter analyst
A bloodstain pattern analyst can't simply look at drips and smears of blood and immediately tell you what happened, when it happened, and who committed the crime. It takes time and is only one piece of many when piecing together what happened in a crime. However, when bloodstain pattern analysis is corroborated with other evidence it may lead investigators to additional clues.
Bloodstain pattern analyst may face many challenges when examining crime scenes. One of the...

Other Essays Like Blood Spatter Analysis

Living In A Cashless Society Essay

1637 words - 7 pages Money in a traditional sense no longer exists. Money is becoming much of a concept than a physical material, and most ordinary bitter have not see the reality of the switch. People today are using credit and debit cards on a regular basis and in everyday situations such as meal purchased at fast food, highway tolls, clothing, groceries, gas stations, etc. all of these means of systems could be regarded as a cashless society or world. The question

The French And Indian War: The "Real" First World War

1955 words - 8 pages The Seven Years War, or more commonly referred to as “The French and Indian War”, has been called the true First World War. In this book The French and Indian War: Deciding the Fate of North America, the author and historian Walter R. Borneman paints a detailed and elaborate picture that justifies the claim of it being the first true war of global proportions. If ever there truly was a climax to the never ending feud of the European powers

Is The Use Of Animals In Medical Research A Necessary Measure?

1513 words - 7 pages and doctors alike for extra surgical practice when learning their professions. In vitro studies can be used to create a closed environment for research allowing for better experimental outcomes. People themselves can volunteer to participate in human studies by donating their time or even blood or cells from their bodies. Works Cited "Animals Used in Research." AAVS.org. American Anti-Vivisection Society, 2011. Web. 6 Dec. 2011. J

Education And The Evolving Job Market

2363 words - 10 pages The lives of students today are changing. They are preparing for lives and jobs that have never before existed. If teachers hope to have a significant and worthwhile impact on these quickly changing lives, they must change the way they think, prepare, and instruct our future generations. Children cannot afford to have teachers who remain stagnant in their methods and ideals. Students crave instructors that are willing to allow them to tap

Young And Relentless

1737 words - 7 pages There are numerous influences that can be responsible of teenager’s behaviors and attitude as they develop. One factor that is important to these behaviors is parental figures being over involved or uninvolved in their children’s lives. Many of these effects include illegal substance abuse, rising sexual activity, underage alcohol consumption, and tobacco use. Studies show parental participation plays a key role in the characteristics developed

The Natural Law Theory

1231 words - 5 pages Obeying by the natural law theory is the only true and moral way to live life; especially a life lived in God’s image. God’s presence is a guiding factor to obtaining a moral and virtuous life, which can only be obtained by following the natural law theory. God created a set of laws as a supreme guide for humans to live life, like any law these laws were created to ensure wellbeing for everyone. The laws he created are the civil law, the natural

Resolved: Presidential Signing Statements Threaten To Undermine The Rule Of Law And The Separation Of Powers

1811 words - 8 pages The subject of signing statements has created much debate among the houses of Congress, government officials, and the public alike. These signing statements fall under the categories of constitutional and legislative history signing statements. Constitutional signing statements are those in which the president deems certain provisions of the legislation as unconstitutional, therefore they should not be enforced (Bradley & Posner, 2006

Oppressive Systems Of Government In Egypt And Animal Farm

1529 words - 7 pages As in Egypt, Orwell demonstrates through his allegorical novel “Animal Farm” that leaders are able to establish and maintain power over a people, and in turn create an oppressive and corrupt government system. Orwell shows the significant difference in the education and levels of knowledge in the animals, and how the government takes advantage of this difference. The split between the levels of intelligence is portrayed in the first chapter when

The Pathway To Psychosis

1415 words - 6 pages “How all occasions do inform against me” is a line from act IIII, scene IIII of William Shakespeare’s Hamlet. This line, spoken by Hamlet, expresses his emotional state as he is currently overwhelmed by the death of his father, the king of Denmark, and the situation surrounding it. After Hamlet learns of his father’s death he finds out that his mother has married Claudius, Hamlet’s uncle. On top of all of that, Hamlet soon after

Rated “M” For “More Censorship Not Needed”

1241 words - 5 pages bought by anyone under the age of seventeen. The ESRB notes that games rated “M” have “content [that is] generally suitable for ages 17 and up” and this “May contain intense violence, blood and gore, sexual content and/or strong language”. Ironically enough, the conditions to enter and watch R rated movies are the same as buying a M rated video game. Now even though the requirements for viewing are the same, the list of things that could be in an R

Four Components Of A Legally Astute Social Media Marketing Manager

1914 words - 8 pages With the advances in technology constantly changing companies have to find better ways to market their products to consumers. The explosion of Facebook has given companies a way to market products to consumers. Examine how a legally astute manager can use social media to his advantage. Review different forms of dispute resolution and determine which one works the best. What is the best course of action, the government can use to

Related Papers

Trace Evidence Essay

893 words - 4 pages unethical behavior that would break each element of the standard. Assignment should be two to three page(s) in length. Bloodstain pattern analysis can be used to determine where the victim and suspect were located, as well the directionality of the impact. • Complete the “Blood Spatter Evidence” activity that is located on the CD-ROM accompanying your textbook. • Explain the terms “area of convergence” and “area of origin” and explain what each

The Separation Of Capital Ownership And Control

1577 words - 7 pages The argument of whether the separation of capital ownership and control is an efficient form of organization has constantly been a controversial issue. The criticism whether the controllers’ act is in the best interest of the owners’ wills never end as long as hired managers operate management. As the number of public companies has been increasing over the course of this century, meanwhile the American style of contact based corporation has

The Versatility And Flexibility Of Oled's

1014 words - 5 pages unit. This makes OLEDs specific to certain substances but given their size and ease of use, the specificity is negligible. (Freudenrich). One of the biggest advantages of OLEDs is that they give an immediate response and do not need to be shipped to a lab for analysis. This property can make OLEDs useful as dosimeters, which measure exposure to something in the environment — usually to a hazard that could inflict a cumulative impact over long

Comparing The Moral Virtues Of Antony And Julian The Apostate

1103 words - 5 pages Roman emperor Julian the Apostate and Christian leader Antony both exhibited many qualities of character during their existence. Both of them led very distinctive lives although shared several ethical values. Book 25 of “The Later Roman Empire” and the book “Early Christian Lives” show concrete evidence of this. In the following essay, I will argue how both leaders’ lives were devoted to their religious beliefs and their mutual cardinal virtues