In April 1996, he was assigned to the Critical Incident Response Group as a commando in the FBI Hostage Rescue Team. During that time, he took part in several sensitive rendition missions, conducted terrorism assessments overseas with the Department of State, and was assigned to assessment, protection, and investigative support missions after the bombing of the in Aden, Yemen, and the embassy bombings in Nairobi, Kenya. Snow was promoted to supervisory special agent in the Counterintelligence Division's Middle East Unit in January 2001. Two years later, in January 2003, he was assigned to the Detroit Division, where he supervised the foreign counterintelligence program and served as the SWAT program coordinator. In April 2005, Snow was appointed chief of the Weapons of Mass Destruction and Acquisition of U.S. Nuclear &amp; Missile Technology Unit at FBI Headquarters In May 2006, Snow was selected as the assistant special agent in charge of the San Francisco Division's San Jose Resident Agency. In that role, he had operational responsibility for the counter-terrorism, cyber, white-collar crime, and violent crime squads; the San Jose members of the Joint Terrorism Task Force; the High-Value Computer Crimes Task Force; the Silicon Valley Regional Computer Forensics Lab; and the Monterey Bay Resident Agency. He also served as the SWAT program manager.