How to collect physical evidence found at a Crime Scene

Question 1

Blood Stains

Answer 1

Liquid pools:

• picked up using clean sterile cloth and allow it to dry it thoroughly
• send it immediately if the crime scene was held close to the laboratory

Dried blood stains:
- Wrapped in clean paper, placed in a brown paper bag or box and seal and label the container.

DO NOT ATTEMPT TO WIPE DRIED STAINS FROM AN OBJECT

Question 2

Hair, Fibres and Threads

Answer 2

Use tweezers or fingers to collect hair present and place it within coin envelopes which then be folded and sealed in large envelopes.

Label the outer sealed envelope.

Question 3

Glass

Answer 3

Objects contaminated with glass must be wrapped in a clean paper and submitted to the laboratory for further investigation.

Glass found in hit-and-run scenes must be recovered and if they were found in different locations, they must be stored in different sealed containers.

Question 4

Tool marks

Answer 4

Submit the whole object containing tool marks to the laboratory.