SCIENCE WEEK TASKFORENSIC SCIENCE

HELPING US TO SOLVE CRIME

Work in Groups of Not More than 5

YOUR TASK

Analyse and examine the crime scene setup at the corner of the classroom and

make report to your science teacher at the end of your investigation.

Remember You have just 10 minutes to feedback your science teacher.

BLOODSTAIN

PATTERN ANALYSIS

You will have the next 15 minutes to Watch the video clip and make notes

MURDER WEAPON What 3 evidence can you get from

this?

QUICK STARTER•BRIEFLY DESCRIBE HOW first Responding Officers,

Investigators and Scientists CAN USE

BLOODSTAIN AS EVIDENCE

ANSWERS TO STARTER

• Movement and direction of persons or objects while they were shedding blood.

• Position of persons or objects during bloodshed. • Movement of persons or objects after bloodshed. • The mechanism or object used to create a specific

pattern. • The direction a stain was travelling when it was

deposited. • The area of origin of an impact pattern. • The minimum number of impacts during an incident. • The sequence of events.

USES OF BLOODSTAINS AS EVIDENCE

Bloodstain pattern analysis (BPA) is one of several specialties in the field of forensic science.

The use of bloodstains as evidence is not new; however, the application of modern science has brought it to a higher level.

Understanding Blood Splatter

A basic understanding of blood spatter analysis allows first responding officers

and investigators alike to assist in correctly collecting and preserving bloodstain data

at the scene

Work in Groups of Not More than 5

YOUR TASK

Analyse and examine the crime scene setup at the corner of the classroom and

make report to your science teacher at the end of your investigation.

Remember You have just 10 minutes to feedback your science teacher.