1. Crime Scene Reconstruction: Bloodstain Pattern Analysis
Lesson 4: More Blood Spatter Patterns
March 9, 2015
Sanders

2. Gunshot Spatter
Gunshot spatter can consist of both forward spatter from an entrance wound.
May 23, 2019
Bloodstain Analysis

3. Gunshot Spatter
Gunshot spatter can consist of both forward spatter from an entrance wound.
May 23, 2019
Bloodstain Analysis

4. Gunshot Spatter
May 23, 2019
Bloodstain Analysis

5. Gunshot Spatter
Only back spatter will be produced if the bullet does not exit the body.
May 23, 2019
Bloodstain Analysis

6. Cast-Off Spatter
A cast off pattern is created when a blood covered object flings blood in an arc onto a nearby surface.
May 23, 2019
Bloodstain Analysis

7. Cast-Off Spatter
A cast off pattern is created when a blood covered object flings blood in an arc onto a nearby surface.
May 23, 2019
Bloodstain Analysis

8. Cast Off
May 23, 2019
Bloodstain Analysis

9. Cast Off
Cast off is kind of pattern commonly occurs when a person pulls a bloody fist or weapon back between delivering blows to a victim.
May 23, 2019
Bloodstain Analysis

10. Arterial Spray
The characteristic arterial spray spatter is created when a victim suffers an injury to a main artery of the or the heart and the pressure of the continuing pumping of blood.
May 23, 2019
Bloodstain Analysis

11. Arterial Spray
The characteristic arterial spray spatter is created when a victim suffers an injury to a main artery of the or the heart and the pressure of the continuing pumping of blood.
May 23, 2019
Bloodstain Analysis

12. Arterial Spatter
May 23, 2019
Bloodstain Analysis

13. Arterial Spatter
The continuing pumping of blood projects blood out of the injured area in spurts, which are apparent in the pattern.
May 23, 2019
Bloodstain Analysis

14. May 23, 2019
Bloodstain Analysis

15. Expirated Blood
Expirated blood is expelled from the mouth or nose and may appear as very fine high velocity spatter or large low velocity spatter or large low velocity bloodstain clusters.
May 23, 2019
Bloodstain Analysis

16. Expirated Blood
Expirated blood is expelled from the mouth or nose and may appear as very fine high velocity spatter or large low velocity spatter or large low velocity bloodstain clusters.
May 23, 2019
Bloodstain Analysis

17. Expirated Blood
This kind of pattern may contain bubbles of oxygen or be mixed with saliva.
May 23, 2019
Bloodstain Analysis

18. Expirated Blood
This kind of pattern may contain bubbles of oxygen or be mixed with saliva.
May 23, 2019
Bloodstain Analysis

19. A Void Pattern
A void pattern features an area free of spatter where an object or person blocks the deposition of blood spatter onto a target surface or object.
May 23, 2019
Bloodstain Analysis

20. A Void Pattern
A void pattern features an area free of spatter where an object or person blocks the deposition of blood spatter onto a target surface or object.
May 23, 2019
Bloodstain Analysis

21. Void Patterns
May 23, 2019
Bloodstain Analysis

22. Void Patterns
The shape of the void may give a clue as to the size and shape of the missing object or person because the spatter is deposited on the objects or person instead.
May 23, 2019
Bloodstain Analysis

23. Contact Patterns
Transfer patterns are created when an object with blood on it makes simple contact with a surface or moves along a surface.
May 23, 2019
Bloodstain Analysis

24. Contact Patterns
Transfer patterns are created when an object with blood on it makes simple contact with a surface or moves along a surface.
May 23, 2019
Bloodstain Analysis

25. Transfer Patterns
May 23, 2019
Bloodstain Analysis

26. Transfer Patterns
The distance of movement may be shown by feathering of the pattern.
May 23, 2019
Bloodstain Analysis