What are the 6 patterns of blood spatter?

There are seven bloodstain categories: (1) passive bloodstain; (2) projected bloodstains; (3) impact spatter; (4) cast-off bloodstains; (5) arterial gush or spurt bloodstains; (6) wipe bloodstain patterns; and (7) transfer bloodstains.

How do you document blood spatter?

Abstract: Bloodstain patterns can be documented by establishing a simple grid using strings. Once the grid has been established, photographs are taken of the individual grid units. Reconstruction of the bloodstain pattern can then be made using the developed photographs.

How would you describe blood spatter?

Blood spatter is categorized as impact spatter (created when a force is applied to a liquid blood source) or projection spatter (caused by arterial spurting, expirated spray or spatter cast off an object).

What are 5 things that blood spatter can tell us?

Blood Spatter Analysis Analysis of a spatter pattern can aid in determining the: • direction blood traveled. angle of impact. point of origin of the blood. velocity of the blood.

What is the purpose of blood spatter analysis?

The general 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 …

What educational background is required of blood spatter analysts?

Most blood spatter analysts begin with a certificate or degree in criminal justice, particularly forensic science. Specific classes include biology, anatomy, criminology, constitutional law, and statistical analysis. Once hired, analysts attend classes or workshops to continually update their skills and knowledge.

How is blood identified at a crime scene?

Analysts or investigators will typically soak up pooled blood, or swab small samples of dried blood in order to determine if it is human blood and then develop a DNA profile. This becomes critical when there are multiple victims.

How is blood spatter used in forensics?

What is the difference between blood spatter and splatter?

To spatter means to scatter small particles of a substance. A spatter is the pattern of drops that result from spattering. To splatter means to scatter large particles of a substance. A splatter is the pattern of drops that result from splattering.

What information can blood spatter reveal?

Information that may be gained with bloodstain pattern analysis include, for example, the position of the individual when the blood was deposited (sitting, standing, etc.), the relative position of individuals at the time of bloodshed, the possible type of weapon used as well as possible mechanisms that could have …