Not being a creation of Congress, the NSA often acts outside of congressional review; it is the most secret of all U.S. intelligence agencies.
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No.State and local law enforcement agencies are not subordinate to the FBI, and the FBI does not supervise or take over their investigations. Instead, the investigative resources of the FBI and state and local agencies are often pooled in a common effort to investigate and solve the cases.
Family Gets Only Basic InfoIn order to protect sources and methods, and in the interest of maintaining national security, most CIA employees can't discuss their work, even with family.