Terrance's prior experience includes serving as a senior-level forensic computer analyst for the U.S. State Department, where he was responsible for conducting analysis on digital evidence. As a cyber operations specialist for the Department of Defense, he implemented network surveillance, network packet analysis, wireless surveys, and intrusion detection. In addition, at the Defense Computer Investigations Training Program (DCITP), developed and presented a broad range of instruction to federal law enforcement in the area of cybercrime. Earlier in his investigative career, as a forensic detective with the Chesterfield County Police Department in Virginia, Terrance collected, evaluated, and processed evidence from crime scenes, prepared comprehensive case reports, and trained department personnel in forensic techniques. Subsequently, as a forensic scientist for the Virginia Division of Forensic Science, he conducted bloodstain pattern analysis in criminal cases and testified in court as an expert witness and he was the principal instructor at the Virginia Forensic Science Academy.
He is currently a certified SANS instructor teaching the Advanced Smartphone Forensics Course. He was a professorial lecturer at the George Washington University where he taught graduate-level courses in digital forensics investigations. He was a consultant for the Department of State Cyber Terrorism Training Program where he instructed allied countries Law Enforcement Agencies in cyber investigation techniques.