Which agency investigates violations of federal criminal law related to national security?

The Federal Bureau of Investigation (FBI) is the agency responsible for investigating violations of federal criminal law related to national security. The FBI operates as a federal investigative agency and has a broad mandate that includes counter-terrorism efforts, counter-intelligence, cybercrime, and various other areas that pertain to the safety and security of the nation.

In matters of national security, the FBI collaborates closely with other federal, state, and local agencies to detect and prevent threats, such as terrorism or espionage. Their specialized personnel receive training in national security investigations, making them uniquely equipped to handle such cases. In addition, the FBI plays a key role in gathering intelligence that can be used to prevent security breaches before they occur, and they also have jurisdiction to enforce federal laws concerning national security.

The other agencies listed fulfill different roles that do not pertain to national security. The Florida Fish and Wildlife Conservation Commission focuses on conservation of wildlife resources, the Florida Office of the Attorney General deals with legal affairs within the state, and the Department of Environmental Protection is concerned with environmental regulations and the protection of Florida's natural resources. Therefore, none of these agencies are involved in federal criminal law related to national security, highlighting the distinct role of the FBI in this