Bloodstain Pattern Analysis Terminology


Flow Pattern
A bloodstain pattern resulting from the movement of a volume of blood on a surface due to gravity or movement of the target.
Bloodstain Example - Flow Pattern
Bloodstain Example - Flow Pattern


This flow pattern was generated by drawing blood into a large-bore syringe and projecting it at the target.

There was enough volume to allow the excess blood to collect and flow down the target.

Alternate Terminology

Bevel & GardnerNon-spatter Family - Regular Margin - Flow
James, Kish & SuttonPassive - Contact/Transfer - Flow
WonderMay be a criteria for Spatter Not a Criteria - Volume
Old IABPAFlow Pattern