The Detective School Module 4 will explain the basic functions of the Crime Lab and how the lab can assist your investigation. You will learn the different sections of the crime lab including: Biology, Firearms Section, Trace Evidence, Blood Alcohol, Chemical Processing, Questioned Documents, Toxicology, Photo Lab, and Latent Prints. Knowing the different sciences of the lab will assist you to find the truth and solve your case. The instructor will explain how the different lab sections function separately and as well as how they work together when examining evidence items.

You will learn the latest concepts on DNA, how to properly collect DNA and avoid contamination. Where to look for DNA at the different types of crime scenes and how to find the different types of bodily secretions will be discussed. When to obtain Elimination Samples and Chain of Custody will be explored. Trace Evidence such as Fibers, Paint, Glass, G.S.R., other Residues, Impression and Physical Pattern Evidence will be explained. How to methodically process a scene, person or vehicle will be explained from different crime perspectives.

The science of viewing a crime scene from a scientist's perspective will be explored and explained so the student will understand how to manage and deploy criminalists at any crime scene.

You will learn how the Crime Lab can assist with:

• Collection of Fingerprints
• Trace Evidence
• Analysis of Firearms and Ballistic Evidence
• Crime Scene Diagrams
• Photographs: Overall, Relational, Close up
• DNA Collection and Examination
• CODIS
• Evidence Contamination
• Creating a team approach to evidence
• Debriefing with Crime Lab personnel after the Scene has been processed