Bloodstain Pattern Analysis: Theory and Practice

Bloodstain Pattern Analysis (BPA) is the scientific study of bloodstains at crime scenes to help determine what happened. By examining the shape, size, location, and pattern of blood droplets, analysts can infer details like the type of injury, the position of victims and assailants, and the sequence of events. This analysis relies on principles of physics, anatomy, and chemistry, providing objective evidence to reconstruct incidents. BPA is a valuable tool for investigators, offering insights that may not be visible to the naked eye, and helping to clarify crime scenarios with factual, evidence-based interpretations.