By this point, most people have probably heard of Antifa. They often show up at conservative events as your “counterprotesters.” They often turn the events violent. And they also tend to be the agitators in popular movements like Black Lives Matter.

Many talking heads on the left say the group isn’t really a group. They say it’s an idea. Not really organized.

But on the other side of the aisle, many who have investigated Antifa note that it’s a large network of organizations from Rose City Antifa, to the John Brown Gun Club.

And the Trump administration says they’re terrorists.

So what really is Antifa?