In 2017, police investigating a double homicide found more than just bodies in a Tampa condo. The founder of a neonazi group was making bombs in the garage.

Sources:

https://ctc.westpoint.edu/the-threat-is-the-network-the-multi-node-structure-of-neo-fascist-accelerationism/

https://www.splcenter.org/resources/hatewatch/visions-chaos-weighing-violent-legacy-iron-march/

https://ironmarch.noblogs.org/post/2019/11/15/meet-lauren-paul-mit-alumni-and-neo-nazi-atomwaffen-division-propagandist/

https://www.bu.edu/articles/2016/police-release-video-of-suspect-in-hate-poster-distribution/

https://www.bellingcat.com/news/2019/12/19/transnational-white-terror-exposing-atomwaffen-and-the-iron-march-networks/

https://www.rollingstone.com/politics/politics-news/all-american-nazis-628023/