At a protest sing-along against Governor Scott Walker at the Wisconsin Capitol on Friday, a member of the Red & Anarchist Action Network (RAAN) held up a huge banner saying “Class War” and then delivered a message to someone filming the event: “All you f**king Tea Party Baggers, It’s coming, get ready.”

Anarchists talking about anarchy may not be surprising. But considering RAAN’s history, maybe it should be. What is RAAN? MRC describes it as a group with “a history of street protests and union pickets which turn violent.” In fact, a website that appears to belong to the group even boasts a timeline of confrontation with authorities and violence against political parties and banks: