FBI National Security Branch

National Security Branch
Seal of the National Security Branch
Active	September 12, 2005 – present[1] (18 years, 7 months)
Country	United States
Agency	Federal Bureau of Investigation
Headquarters	J. Edgar Hoover Building Washington, D.C.
Abbreviation	NSB
Structure
Subunits	Counterintelligence Division Counterterrorism Division High-Value Detainee Interrogation Group Terrorist Screening Center Weapons of Mass Destruction Directorate
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.