It's not exactly a secret now that the story is in the public domain, but it's definitely strange and it does concern the official world, so I'm going to mention it: namely, a project to understand "human fear" chemicals. Why? Why else: to use them in some fashion on the battlefield, of course! Did you really need to ask?
I anticipate an outbreak and a subsequent clandestine working group dedicated to ridding the world of the pheromonal zombie menace. Nick Redfern, not exactly a stranger to the topic, would probably answer directly to the President.