You were onto something Nano, these guys were a National Security Risk. I believe Marchenko was found out because the Justice Department was looking for Chinese Malfeasance. It was both/and IMO.Ratnik Russia's Modernization Program was supplied by the dummies in EFK and I bet there are more than a few in CCP hands...

According to Import Genius, no less than $11.8 million worth of eMagin displays have been imported into Russia since 2011 – and that's only the shipments with an indicated brand name. Prior to Russia's full-scale invasion of Ukraine, U.S. microdisplay imports were direct. According to the indictment against Maxim Marchenko, Russian limited liability company OOO Radiofid Systemy received more than 5,000 microdisplays from eMagin between 2017 and 2021.

https://theins.ru/en/politics/266400