Dave Smith talks with Donnie Barker, Crime Scene Trainer at IPTM, about the basics of crime scene investigation. Donnie specializes in crime scene processing and technology. He emphasizes the importance of protecting and preserving a crime scene until the experts arrive. The first responders are just as equally as responsible for the evidence as the investigators that arrive to the scene.
In this video, Donnie Barker discusses proper techniques for documenting evidence, including what to do if you have forgotten or are lacking the right equipment. Barker focuses on documenting footprints and tire marks.