PPT-Blood & Blood Spatter

Chapter 8 Blood Spatter 1its not splatter Properties of blood affect pattern Fairly high surface tension cohesion Very viscous Stickyadheres to external surface adhesion. Blood pressure normally rises and falls throughout the day but it can cause health problems if it stays high for a long time High blood pressure can lead to heart disease and strokeleading causes of death in the United States Are you at risk One in FSB 09 Room plan room. The crime scene investigators determined that the bloodstain patterns on the “stove” wall were suitable for analysis. To enable you to analyse these bloodstains a 2. Developing and using models 3. Planning and carrying out investigations solutions Crosscutting Concepts 1. Patterns : Forensics, Physics, Mathematics, Trigonometry Grade Level: MS HS Physi Blood spatter . 1939—spatter . patterns first . analyzed. Blood may . spatter . when a wound is inflicted. Blood . spatter . pattern—a grouping of blood stains. Patterns help to reconstruct the events surrounding a shooting, stabbing, or beating. Spatter Definition. What is impact spatter?. A blood stain produced when an object makes forceful contact with a source of blood, projecting blood outward from the source.. Why do we care?. Why is impact spatter important?. Bloodstain Science . What . does the abbreviation BPA represent? . Bloodstain Pattern Analysis. What can an investigator learn from the analysis of a blood spatter?.  Type and velocity of weapon. www.loctite.com.au Why Nozzle Anti-Spatter Sprays Could Be Doing More Harm Than GoodWeld Affairs Griffin. Bloodstain patterns. The patterns left by falling, projected, or smeared blood can help the forensic investigator interpret and reconstruct what has happened at a crime scene.. Observation of the position and shape of stain patterns can give information such as:. Spatter Definition. What is impact spatter?. A blood stain produced when an object makes forceful contact with a source of blood, projecting blood outward from the source.. Why do we care?. Why is impact spatter important?. Bloodstain Science. Warning: Some material in this presentation and related videos may be too graphic for some people. . What . does the abbreviation BPA represent? . Bloodstain Pattern Analysis. What can an investigator learn from the analysis of a blood spatter?. October . 14, 2014. Points of origin and convergence. The source of blood spatter can be localized by following the direction of travel of several stains.. Direction of trave. l . The narrow end of an elongated . What can an investigator learn from the analysis of a blood spatter?. Type and velocity of weapon. Number of blows. Handedness of assailant (right or left-handed). Position and movements of the victim and assailant during and after the attack. Blood Stain Evidence. Bloodstain patterns can help investigators reconstruct events in a crime scene.. Analysis of the blood stain can tell whether it is animal or human.. Projected blood stains are called . Plasma. fluid portion of normal . unclotted. blood . red blood cells, white blood cells, and platelets are suspended in it. BLOOD COMPONENTS. Serum. liquid portion of clotted blood. SURFACE TENSION OF BLOOD.