Essay On Blood Spatter
Criminal Law, a fierce profession that leaves people on their heels most of the time. When you imagine it you just think about a prosecutor and a defendant going back and forth in a heart pounding case, but it evolves around more than that. In any type of law Science is a big part. However in the career of a criminal Lawyer Forensics Science plays a major role. Many crime scene investigators look for lots of detailed clues to start a trial. Most of the time they look for some type of identification when viewing scenes. Popular findings at crime scenes are fingerprints being left behind on objects at a scene after the crime. On the human organism there are three different types of fingerprints we can have. A fingerprint from
…show more content…
Blood spatter is the way blood is splashed on a surface of any kind. You may think this is a new technique but blood spatter analysis has been around since 1895 when Edward Piotrowski from the University of Krakow wrote a document on the direction of blood spatter. It has been around for years and helps criminal investigators on brutal crime cases. Now the general blood spatter ways are the Single Drop, Transfer Bloodstains, Impact Spatter, Cast off Stain, Projected Pattern/Arterial Damage Stain, Pool Stains, Insect Stains, and Expiration Stains. The Single Drop blood stains usually falls vertically even if it’s from a person or objects and lands on a surface. As the drop of blood falls it remains in a circular shape until impact. Another way of blood spatter is the Transfer Blood Stain which occurs when blood off a surface ends up on another surface. Studies of this type of blood stain can establish the events at the crime scene such as tracings and movements of a person or object and fresh blood making the blood form into small drops and, the stronger the impact the more smaller the droplets are. Then again the cast off stain happens when a centrifugal force makes blood drop go onto another surface in a certain motion. For example blood off a knife getting flung onto a wall. A Projected Pattern/Arterial Damage blood stains are basically when the blood comes out of a punctured artery and lands on a
Blood spatter is the way blood is splashed on a surface of any kind. You may think this is a new technique but blood spatter analysis has been around since 1895 when Edward Piotrowski from the University of Krakow wrote a document on the direction of blood spatter. It has been around for years and helps criminal investigators on brutal crime cases. Now the general blood spatter ways are the Single Drop, Transfer Bloodstains, Impact Spatter, Cast off Stain, Projected Pattern/Arterial Damage Stain, Pool Stains, Insect Stains, and Expiration Stains. The Single Drop blood stains usually falls vertically even if it’s from a person or objects and lands on a surface. As the drop of blood falls it remains in a circular shape until impact. Another way of blood spatter is the Transfer Blood Stain which occurs when blood off a surface ends up on another surface. Studies of this type of blood stain can establish the events at the crime scene such as tracings and movements of a person or object and fresh blood making the blood form into small drops and, the stronger the impact the more smaller the droplets are. Then again the cast off stain happens when a centrifugal force makes blood drop go onto another surface in a certain motion. For example blood off a knife getting flung onto a wall. A Projected Pattern/Arterial Damage blood stains are basically when the blood comes out of a punctured artery and lands on a