The FBI or the Federal Bureau of Investigation is a major branch of the United States department of justice. It is an intelligence-driven and a threat-focused national security organization that comprises of Federal Criminal Investigations and internal intelligence agency or counterintelligence responsibilities. Their mission is to protect and defend the United States of American against the terrorist attack and foreign intelligence threats. Additionally, they ensure that the criminal laws of the United States are implemented. Moreover, it gives leadership and criminal justice to society.
The second agency is the Central Intelligence Agency (CIA), which is an independent US Government agency that provides national security intelligence to senior US policymakers. Its sole mission is to eliminate threats and enhance national security objectives by safeguarding the secrets that help keep the U.S. nation safe. With an agency that works solely for the president, it analyzes information from all sources as directed by the president. The agency is portioned into five major departments of divisions.
Finally, the Defense Intelligence Agency (DIA) is a counterterrorism agency that gives intelligence to military warfighters, defense policymakers, and force planners in the Department of Defense and the Intelligence Community. In addition, it offers support to the U.S. in military planning and operations. In order to counter terrorism, effective intelligence and counterterrorism tools need to be employed. The suggested six candidates that meet these standards are system integration technologies, biometrics, non-lethal weapons, data mining and link analysis technologies, nanotechnology and directed-energy weapons.