1. By maria Martinez & Yamilet Santamaria
Bloodstains
By maria Martinez &
Yamilet Santamaria

2. Key points
The direction of the bloodstain is usually obvious as the pointed end of the bloodstain (tail) will always point in the direction of travel
The shape of an individual drop of blood provides clues to the direction from where the blood originated
Blood that strikes a surface at an angle less than 90 degrees will be elongated or have a tear drop shape.

3. Bloodstains

4. Conclusion
When considering the shape of a blood stain for use in calculating its angle of impact only a sharp well define blood stain should be use