After Devon Arthurs murdered his roommates, he claimed he'd only done it to prevent the loss of innocent lives. The man he said was planning a terrorist attack was arrested with a car full of guns, but not charged with any of the things Arthurs claimed their nazi terror cell had been working on.

Sources:

https://www.propublica.org/article/an-atomwaffen-member-sketched-a-map-to-take-the-neo-nazis-down-what-path-officials-took-is-a-mystery

https://www.pbs.org/wgbh/frontline/article/three-murder-suspects-linked-to-atomwaffen-where-their-cases-stand/

https://www.bradenton.com/news/local/crime/article156282099.html

https://www.huffpost.com/entry/nicholas-giampa-neo-nazi-teenager-murder-girlfriends-parents-virginia_n_5a4d0797e4b0b0e5a7aa4780

https://www.middlebury.edu/institute/academics/centers-initiatives/ctec/ctec-publications/dangerous-organizations-and-bad-actors-4

https://www.pbs.org/wgbh/frontline/documentary/documenting-hate-new-american-nazis/transcript/

https://www.youtube.com/watch?v=SjEBXDfuBDE&ab_channel=COURTTV