1. Bloodstain
Pattern Analysis

2. Crime Scene Reconstruction
What can be determined:
Type of ________
_______ of wounds
Type of _____ used
Assault & post assault dynamics
Relative _________

3. Crime Scene Reconstruction
Bloodstain pattern analysis should be one of the ________ forensic investigations conducted.
The probable location of __________, ____, and ______ evidence can be determined from it.

4. Blood Splash Classification
Six types:

5. Blood Drops Usually found on horizontal surfaces. If blood drops:
a _________ distance, they will be _____________.
at an ________, they will be ____________.
from __________ feet up, they appear ___________.
from more than ___ ft., they will produce ____ _____.

6. Blood Drop Shape of a drop: Angle Surface texture Surface hardness
Both fell 42”, left at a 60O angle, right at a 10O angle. The ______ the angle, the more __________.
Surface texture
Both fell 42”, left hit wall ______, right hit ___________ wallpaper.
Surface hardness
This drop of blood was tested traveling 4 feet per second onto a _______ surface. It was traveling from right to left at a 56O angle.

7. Blood Splashes
Occur where blood has ________ through the air & hit a surface at an ___________.
Usually indicate victim was hit with _________ _______ (cast off bloodstain pattern).
Drops appear as _________________ points.
The “_____________” indicates direction of movement.

8. Blood Spurts Due to ___________ action of the heart.
Usually from _______ wound to _____ blood vessel.
Height can indicate the _________ of the victim (sitting or standing).

9. Blood Pools ___________ which can form around the victim.
_________ of blood can be compared with injuries.
Can indicate _______ the victim died.

10. Blood Smear May be left by ________ or ______________.
Often caused by blood on _______ or _______ & subsequent movement.
Can identify activity ___________ an assault.

11. Blood Trails Indicates that the body was _____________.
Smeared trail indicates the victim was ____________.
_____________ of blood indicate they moved themselves or were carried.

12. Source of Blood
Blood spatter origin (point of impact) can be determined by finding the _______ of ________________.
Draw straight lines through the long axis of several drops.
The point where the lines converge is the spot _______________
___________________.