Events listed involve 24 different states, but activity occurs in virtually every state. California had the most 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: 7
• Skinhead: 5
• White power prison gangs: 1 (includes non-prison Nazi Low Rider incidents)
• Ku Klux Klan: 5
• National Alliance: 2
• Aryan Nations: 3
• Sovereign citizen: 9
• Militia: 2
• Tax Protester: 4 (many tax protesters are also sovereign citizens)
• Anti-abortion: 1
• Miscellaneous: 4

Activities During This Period: APR | MAY | JUN