A longtime law enforcement professional with many years of experience in the field, Douglas Brennan formerly served as a special agent with the Federal Bureau of Investigation (FBI) in Colorado. As a relief supervisor, he oversaw a team of 20 FBI special agents and police detectives and led a range of task forces in areas such as criminal investigation and counterterrorism. Douglas Brennan also participated in organized crime crackdowns across the United States and routinely performed forensic analysis of computer systems.
In addition to his work as a special agent, Brennan spent a decade as a tactical medic with the FBI Denver Special Weapons and Tactics (SWAT) team. He also served as a tactical advisor with the agency’s Hazardous Materials Response Team.