The intelligence community still isn’t sure who is causing the strange array of nervous system symptoms, or if they can be definitively termed “attacks.” Even the technology that might cause such an inconsistent set of symptoms is a matter of debate.
The second official, whose case has not been previously reported, was struck weeks later near an entrance to the White House grounds, two sources familiar with the matter told CNN. The second official suffered more serious symptoms and was ill enough to seek immediate medical treatment, the sources said.