Bloodstain Pattern Analysis Terminology


Bloodstain pattern
A grouping or distribution of bloodstains that indicates through regular or repetitive form, order, or arrangement the manner in which the pattern was deposited.
Bloodstain Example - Bloodstain pattern
Bloodstain Example - Bloodstain pattern


This projected pattern was generated by taking blood in a syringe and projecting it near-parallel to the target surface. This was done four times with varying pressure from approximately the same location.

This example shows the result of a stationary blood source releasing blood under pressure.