National Security Branch | |
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![]() Seal of the National Security Branch | |
Active | September 12, 2005 – present[1] (18 years, 11 months) |
Country | United States |
Agency | Federal Bureau of Investigation |
Headquarters | J. Edgar Hoover Building Washington, D.C. |
Abbreviation | NSB |
Structure | |
Subunits | |
Commanders | |
Current commander | Executive Assistant Director Larissa L. Knapp[2] |
Website | |
Official website |
The National Security Branch (NSB) is a service within the Federal Bureau of Investigation. The NSB is responsible for protecting the United States from weapons of mass destruction, acts of terrorism, and foreign intelligence operations and espionage. The NSB accomplishes its mission by investigating national security threats, providing information and analysis to other law enforcement agencies, and developing capabilities to keep the US nation secure.