Forensic specialists are the criminal investigators responsible for collecting and evaluating the evidence that the investigative team recovers at a crime scene. As a forensic specialist, you use a variety of scientific tools and techniques to document and analyze evidence. Your job duties also include taking photographs at the crime scene and performing tests in a lab. Some of these include DNA testing of blood, hair, and other human materials to help identify the culprits. A forensic specialist plays an integral part in the process of investigating and solving crimes.