Mark S Zaid is a National security attorney. He was just listed to Forbes top 200 lawyers in the US. (Woo hoo!) He represents multiple clients suffering from "Havana Syndrome" which the federal government officially still says probably doesn't really exist.
Mark S. Zaid, P.C. (markzaid.com)
Havana syndrome won’t go away - POLITICO
What's likely behind mysterious 'Havana syndrome' that plagued US diplomats - ABC News (go.com)