Pakistani national Mir Aimal Kansi shot five people outside the Central Intelligence Agency headquarters in Langley, Virginia, killing two.

Mir Aimal Kansi
Aimal Kansi was a Pakistani national who was convicted of the 1993 shootings at CIA Headquarters in Langley, Virginia. In the incident, Kansi shot and killed two CIA employees and wounded three others. He soon fled to Kandahar, Afghanistan, which later became a Taliban stronghold, and went into hiding for four years. While in Pakistan, he was caught and arrested by the FBI with help from Pakistani police forces. After being returned to the U.S., he was convicted of capital murder and sentenced to death. He was executed by lethal injection in 2002.
CIA headquarters shooting
On January 25, 1993, outside of CIA Headquarters campus in Langley, Virginia, Pakistani national Mir Aimal Kansi shot and killed two CIA employees in their cars as they were waiting at a stoplight and wounded three others. In a prison interview, Kansi said the shooting was politically motivated: "I was real angry with the policy of the U.S. government in the Middle East, particularly toward the Palestinian people."
Central Intelligence Agency
The Central Intelligence Agency is a civilian foreign intelligence service of the federal government of the United States tasked with advancing national security through collecting and analyzing intelligence from around the world and conducting covert operations. The agency is headquartered in the George Bush Center for Intelligence in Langley, Virginia, and is sometimes metonymously called "Langley". A major member of the United States Intelligence Community (IC), the CIA has reported to the director of national intelligence since 2004, and is focused on providing intelligence for the president and the Cabinet.
Langley, Virginia
Langley is an unincorporated community in the census-designated place of McLean in Fairfax County, Virginia, United States. The name "Langley" often occurs as a metonym for the Central Intelligence Agency (CIA), whose headquarters, the George Bush Center for Intelligence, is in Langley.