In 2022, Ethan Melzer pleaded guilty to plotting to help al Qaeda ambush and kill his entire unit while on a sensitive mission in Turkey. But Melzer's co-conspirators turned out to be a Canadian teenager and a government informant, not members of al Qaeda. And the satanic cult that drew him down this nazi rabbit hole turned out to have been run by a man on the FBI payroll.
Sources
https://www.courtlistener.com/docket/17286246/united-states-v-melzer
https://www.courtlistener.com/docket/69307006/united-states-of-america-v-melzer/
https://www.rollingstone.com/culture/culture-news/neo-nazi-1378280
https://www.wired.com/story/the-dangerous-exploits-of-an-extremist-fbi-informant/