Douglas_Mackiernan
Douglas Seymour Mackiernan (April 25, 1913 – April 29, 1950) was the first officer of the Central Intelligence Agency (CIA) to be killed in the line of duty.
Murdered CIA agents
Douglas Seymour Mackiernan (April 25, 1913 – April 29, 1950) was the first officer of the Central Intelligence Agency (CIA) to be killed in the line of duty.