Ashton Hamed Ellaboudy allegedly used his electrical engineering expertise in an attempt to aid Houthi communications, drones and homemade explosives production.
https://www.foxnews.com/world/doe-employee-charged-trying-aid-iran-backed-houthis-feds-say
https://www.foxnews.com/world/doe-employee-charged-trying-aid-iran-backed-houthis-feds-say