CIA: only overseas, no domestic jurisdiction; international focus on collecting information about foreign countries and their citizens
FBI: primarily operates domestically upholding federal laws and investigating crimes about U.S. persons, regardless of where they are located
CIA: Authorized for foreign intelligence gathering and covert operations
FBI: Empowered with law enforcement capabilities and counterterrorism operations
CIA: Includes espionage, covert operations, intelligence analysis, and counterintelligence abroad
FBI: Involves criminal investigations, counterterrorism, cybercrime, counterintelligence, and forensics
NSA must obtain a warrant from the FISA Court (Foreign Intelligence Surveillance Court) to intercept phone conversations with probable cause/evidence; in urgent cases, the NSA can conduct surveillance without a warrant