Pruitt Igoe Human Testing: THE US ARMY'S HUMAN EXPERIMENTATION IN ST LOUIS The US Army’s Secret Cold War Experiments on St. Louisans PROOF: https://en.wikipedia.org/wiki/Operation_LAC Operation LAC (Large Area Coverage) was a U.S. Army Chemical Corps operation which dispersed microscopic zinc cadmium sulfide (ZnCdS) particles over much of the United States. The purpose was to determine the dispersion and geographic range of biological or chemical agents. ################################# The Man