On Thursday a group of Tea Party Patriots attended a public meeting in a public library with staff members of MO Sen. Clare McCaskill.
When They arrived they were greeted a sign announcing a recording ban at the meeting. The Constitutionally aware Patriots informed the staffers that the ban was illegal and they would be recording the session. That's when some goons from the audience (presumably McCaskill Supporters) assaulted 2 of the Tea Party Members.
One of the assault victims is a 95 lb mother of 2. Her complete side of the story can be found here.
In the following video the victims describe the attack to police.