CIA activities in the United States

The Central Intelligence Agency (CIA) is a civilian foreign intelligence service of the United States federal government, tasked with gathering, processing, and analyzing national security information from around the world. The National Resources Division is the domestic wing of the CIA. Although the CIA is focused on gathering intelligence from foreign nations, it has performed operations within the United States to achieve its goals.

Source: Wikipedia — CIA activities in the United States (CC BY-SA 4.0)