'Lefty' Lewis strikes again!

Part 3: Suggestions for the forensic scientist
-Look carefully around the crime scene, because there may be certain evidences that could point to the criminal cannot be seen without careful inspection of the place.
-Test the evidences as many times as possible to ensure that the results are accurate.
-Make sure that you identify the criminal as there may be 'evidence' that points the finger at others, or they will be mistaked for the criminals and be convicted!