Introduction to Intelligence Studies298
of time before the violence will spill over into the United States in a signi-
cant way.
Some drugs, such as marijuana and methamphetamine, can be grown or
produced in the United States. Others, such as heroin and cocaine, origi-
nate in foreign countries and must be imported. Because drugs originate
both domestically and internationally, and given their reach and inuence
into corruption and terrorism, virtually every IC agency has a stake in the
game. e Central Intelligence Agency (CIA), Defense Intelligence Agency,
Federal Bureau of Investigation (FBI), DEA, and military agencies have reg-
ular working groups and task forces that meet to address the problem. e
National Geospatial-Intelligence Agenc ...