Introduction: * Bloodstain pattern interpretation should be viewed as a forensic tool that assists in investigator of the forensic scientist to better understand what took place in what could not have taken place during a bloodshed event. * The information obtained from the interpretation of bloodstain patterns may assist in apprehending a suspect, corroborate a witnesses statement, assist and interrogating suspects, allow for the reconstruction of past events, and most importantly, exonerate and accused. * Apprehending- arrest someone for a crime * Corroborate- confirm or give support to (a statement, theory or finding) * Exonerate- (especially of an official body) absolving (someone) from blame for a fault or wrongdoing, especially after due consideration of the case * Interpretation would only be as valid as the information available in the ability of the examiner performing the analysis.
History of Bloodstain Pattern Interpretation: * Herbert Leon MacDonell, a prominent bloodstain analyst from Corning, NY, conducted a world wide literature search over the past several years and compiled an extensive bibliography of over 550 references dating back as far as the trial has been London in 1514. * One of MacDonell’s most significant findings was an extensive study of bloodstain patterns by Dr. Eduard Piotrowski, an assistant at the Institute for Forensic Medicine in Poland. * His work in German, entitled Uver Entstehung Form, Richtung und Ausbreitung der blutspuren. * “Concerning origin, shape, direction and distribution of the bloodstains falling head wounds caused by blows” * Original research and experimentation with bloodstains and patterns was done by the French scientist Dr. Victor Balthazar and his associates, who presented the material as a paper at the 22nd Congress of Forensic Medicine in 1939. * The use of bloodstain pattern triplication as a recognize friends discipline in