Forensics MCQ: Bloodstain Pattern Analysis

Bloodstain Pattern Analysis

Showing posts with label Bloodstain Pattern Analysis. Show all posts

What are the (3) characteristics of distinguishing a cast-off pattern?

Naim 08:06

1. Linear.
2. Bloodstain tails point direction of objects movement.
3. Elliptical shape and far distance due to speed of motion.

Naim 08:06

Answer: Bloodstain pattern resulting from blood drops released from a moving object. E.g. swinging of a weapon back and forth during a stabbing.

Naim 08:05

1. Varying levels of force.
2. Varying stain sizes.
3. Air bubbles present.
4. Diluted due to saliva.

Naim 08:05

Answer: Bloodstain pattern resulting from blood forced by airflow out of the nose, mouth or wounds.

Naim 08:05

Answer: Due to fluctuations in blood pressure e.g. burst of an artery - changes in blood pumping from the heart.

Naim 08:05

Answer: Bloodstain pattern resulting from a volume of blood ejected under pressure. E.g. arterial spray.