Note: At the 2009 IABPA meeting in Portland, OR, USA, the IABPA membership voted to adopt the SWGSTAIN recommended terminology.
Definition
- Bubble Rings
- Rings in blood that result when blood containing air bubbles dries and retains the bubble's circular configuration as a dried outline.
Bloodstain Example - Bubble Rings
© 2008 FORident Software Inc.
Description
The example was generated by aerating the blood and projecting it onto the target.
In this example several air bubbles formed in a single blood drop. When the stain dried, the bubble collapsed and a darkened ring was left behind for each bubble.
Alternate Terminology
| Bevel & Gardner | May be a criteria for Spatter - Non-linear - Impact - Expectorate |
| James, Kish & Sutton | May be a criteria for Spatter - Projection Mechanism - Expirated |
| Wonder | Not a pattern. |
| SWGSTAIN | Bubble Ring - An outline within a bloodstain resulting from air in the blood. |