In 1950, the US military secretly released bacteria over San Francisco to study how a biological attack could spread through a city. Eleven hospital patients later developed infections, and one died; whether the experiment caused his death remains disputed.
KQED+2
#OperationSeaSpray #SanFrancisco #USHistory #DarkHistory #HollowHour
Disclaimer: This video is an animated dramatization based on real events. Scenes are recreated for educational and historical storytelling, not actual footage.
