There were many groups that converged on McKinney, Texas, to protest what looked like a case of police brutality against a black teen at a community swimming pool, a video (or, more precisely, part of a video) of which has gone viral.

The Nation of Islam made an appearance, as did the New Black Panthers.

Anonymous weren’t there in person, but had promised to wreak havoc on the police department’s phone system.

Blogger Sooper Mexican was most concerned with the rhetorical contribution of the Rev. Ronald Wright, who promised that “we’re setting the stage for a terrorist attack in this country, and the group is not going to be ISIS.”

Here’s a slightly longer clip from Wright, of Justice Seekers Texas.

So we’ve been warned.

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Related:

Nation of Islam, New Black Panthers join protests in #McKinney [photos]

David Gergen on #McKinney: Police ‘disrespect of blacks’ should have ‘disappeared with KKK’

#McKinney updates: Officer identified; DJ says don’t blame him; Sign at pool thanks cops for ‘keeping us safe’; Update on pool sign