By maria Martinez & Yamilet Santamaria Bloodstains By maria Martinez & Yamilet Santamaria

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.

Bloodstains

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