Douglas Mackiernan
Douglas Seymour Mackiernan | |
|---|---|
| Born | April 25, 1913 |
| Died | April 29, 1950 (aged 37) |
| Cause of death | Gunshot wounds |
| Nationality | American |
| Occupation(s) | Spy and Diplomat at the Central Intelligence Agency |
Douglas Seymour Mackiernan (April 25, 1913 – April 29, 1950) was an American intelligence officer and spy known for being the first officer of the Central Intelligence Agency (CIA) to be killed in the line of duty.