The FBI’s pages about them are here:

• https://web.archive.org/web/20220526125526/https://www.fbi.gov/wanted/counterintelligence/alejandro-cao-de-benos
• https://web.archive.org/web/20220526125457/https://www.fbi.gov/wanted/counterintelligence/christopher-douglas-emms/

This post’s main link goes to a archive.ph snapshot because javascript on nknews.org irritatingly blocks privacy browsers and incognito mode (even on archive.org); the original URL is https://www.nknews.org/2022/05/fbi-releases-wanted-posters-for-two-men-accused-of-aiding-north-korea/

Here is a previous lemmy thread about the sentencing of Virgil Griffith back in April: https://lemmy.ml/post/228220