Bloodstain Pattern Analysis Terminology

Definition

Area of Convergence
The area containing the intersections generated by lines drawn through the long axes of individual stains that indicates in two dimensions the location of the blood source.
Bloodstain Example - Area of Convergence
Bloodstain Example - Area of Convergence

Description

The green circle indicates the area of convergence in this image. Note that the area of convergence does not provide a precise measurement, but simply indicates the general area where the lines drawn through the long axes of the stains intersect.