rewrite: Experts in the field work to identify the shape, size, quantity, and distribution of blood spatter stains, as well as their relative location (James, Kish & Sutton, 2005; Bevel & Gardner, 2001), in order to determine how the blood travelled through a given space. Typically, the size of the blood stains can shed light onto the force involved, determining if it was caused by impact or passively, whereas the shape and location can tell us more about the area of origin