Bloodstain

Aims The aim of this practical was to determine the presence of blood on multiple piece of clothing for further analysis by using various preliminary tests and to see the rate and duration of chemiluminesence of the Phadebas paper test. Introduction To a forensic investigation blood is of unparalleled importance, it has multiple functions in a forensic investigation; The book criminal investigation (Christine Hess Orthmann, Kären Hess, 2012) states “blood assists in establishing that a crime…

Bullets that were lodged in the victim skull were sent to ballistics to determine what type of gun was used to commit the murder, the make and model, toolmarks on the bullet casing also determine the make and model of the gun, before all this is determine the bullets must be placed in an evidence bag and then placed in an evidence locker until it is sent over to ballistics for testing. “With the exception of a shotgun, whenever a gun is fired, microscopic characteristics or imperfections are…

Through Sociology, not only can we study human social behavior, but we can also aim to analyze the behavior through certain concepts. With the help of media we are able to demonstrate these concepts to give us a more in-depth view of how they function. Both television shows and movies can be great for giving us the illustrations we need to understand an idea. Over the course of the essay, Dexter will be used as a model for some of the ideas focused on in Sociology. Through the concept of…

The comic, Watchmen, by Alan Moore and Dave Gibson, employs a reoccurring symbol of a smiley face stained with blood covering its left eye. This reoccurrence of the symbol suggests that there is more to it than what the eye meets. It is such a simple symbol that shows happiness, yet is presented in such a convoluted manner in the comic. The smiley face in Watchmen is used ironically throughout the text to show how the characters, and perhaps all humans try to overlook or falsify violence,…

It’s Monday, December 9th. Today just seems unusual, like something big is going to happen! I wonder what it will be for a split second, then go back to studying for the Latin America quiz we have tomorrow. Mr. Fielder announces what questions we should highlight on our worksheets. I watch him go back to his desk. I look up and out the window, I see the glistening shimmer of fresh snow dancing in the sky. I cherish every second of it, wishing the time would go by slower. As time creeps closer…

Blood Spatter: Low-velocity blood spatter would be any pattern is produced due to gravity being the only acting force (Gaensslen, Harris, & Lee, 2008, pg. 88). Medium-Velocity Blood spatter is where moderate force is applied from objects which can cause pooled blood to scatter in multiple directions surrounding the contact (Gaensslen, Harris, & Lee, 2008, pg. 89). “High-velocity blood spatter is the where extreme force acting on the blood source (Gaensslen, Harris, & Lee, 2008, pg. 89)." Blood…

Forensic Functioning In America the word forensics proposes crime in a way that excites stories on serial killers, murder, crime scene investigation, and heavy DNA analysis. In reality, this only breaks the ice on what forensic science fully consists of. Forensic science is initially any science used for the purpose of law. The evidence tested is used in the court of law, criminal investigation, and trial. A forensic scientist does perform tests on blood and bodily fluid as well as…

Blood spatter analysis is the examination of shapes, locations, and distribution of blood spatter in order to interpret and develop a storyline leading to what exactly caused the blood shed. Blood spatter analysis is often used as a criminal investigative tool used by criminal investigators, such as the police and the government. Blood spatter was discovered and used in the late 1890s, however it was not known as a highly valuable forensic tool until the late 20th century. The topic of blood…

Blood is an important piece of evidence at a crime scene. Blood is used for both DNA evidence and blood typing but blood spatter is just as useful. The diameter of blood drops is used to determine the height from which the blood drops fell and the blood drops shape can be used to determine the angle the blood was dropped at. Blood drops can also be used to determine the cause of death at a crime scene and blood drops can even be used to determine the medium that caused the death at the crime…

role of the Bloodstain Pattern Analyst in a criminal investigation is to assist in the reconstruction of those events of an alleged incident that could have created the stains and stain patterns present at a crime scene, on items of physical evidence recovered from that scene and on items of clothing that were present at the crime scene. In some cases, it may be necessary to conduct a bloodstain pattern interpretation using photographs. The usefulness of individual bloodstains and bloodstain…