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In violent events, the analysis of bloodstain patterns can be crucial. Bloodstain Pattern Analysis is the examination of bloodstains as it relates to determining the origin, flight path, and in some cases, the sequence of events that transpired during the bloodshed event. 


A thorough analysis of these types of patterns can lend understanding to the nature of the bloodshed, type of instrument used to inflict injury, as well as positioning and spatial relationship of the victim and suspect. Establishing the sequence of events and the location of the parties involved within the crime scene can shed light on the true nature of the incident.  Was the act self-defense or criminal?