Events listed involve 21 different states, but activity occurs in virtually every state. Because of its population California usually heads the list in terms of numbers of events. California had the highest number of incidents.

Categorization of such events is difficult, not least because many extremists may fit in more than one category. A rough categorization of events listed here, taking into account multiple listings involving the same individuals or incident, reveals the following associations:

• General white supremacy: 20
• Skinhead: 8
• White power prison gangs: 2 (includes non-prison Nazi Low Rider incidents)
• Klan: 5
• National Alliance: 1
• World Church of the Creator: 1
• Aryan Nations: 2
• Sovereign citizen: 9
• Militia: 1

Activities During This Period: JUL | AUG | SEP