"Anecdotal evidence exists of ZnCdS having adverse health effects as a result of LAC. However, a U.S. government study, done by the U.S. National Research Council stated, in part, "After an exhaustive, independent review requested by Congress, we have found no evidence that exposure to zinc cadmium sulfide at these levels could cause people to become sick."[Leary, Warren E. "Secret Army Chemical Tests Did Not Harm Health, Report Says, The New York Times, May 15, 1997, accessed November 13, 2008.] Still, the use of ZnCdS remains controversial and one critic accused the Army of "literally using the country as an experimental laboratory".
So somebody needs to make a name, career and possibly government grant by making up a story that radiation could be used. Yes, it could. But was it?