This latest edition of a bestseller adds new material and expands on previous work. The book includes new chapters on mathematics and physics for bloodstain pattern analysis, the application of the scientific method to bloodstain pattern analysis and experimentation, the forensic photography of bloodstain patterns, and SWGSTAIN Terminology (FBI Special Working Group). This edition also expands the last edition’s chapters on the evaluation of bloodstain patterns on clothing, evidence, and bodies.