Death Flies South
Written by
Donald E. Keyhoe
Copyright 1940
Published in Flying Aces, September 1940.
"swiftly, silently, that weird, nameless doom had struck Government flyers. And the victims always looked the same - smiling pleasantly , contentedly, in the very face of Death! Dick Knight tried valiantly to pierce the puzzling shroud of mystery surrounding that unseen menace. But the trail had always led to - nothing. Then out of nowhere on that lonely Laredo field came the sweet, fragrant smell of geraniums, leading the Q-Agent - South of the Border!"