TOM BASILE (ANCHOR): This is a very large crowd of mostly supporters of the president who marched up Pennsylvania Avenue after the president addressed them. But it is also something to note that we've seen in the past interference from leftist groups that are prone to violence, who have infiltrated -- that often times infiltrate rallies for their own purposes. And, again, we're not entirely sure what's happening here.
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We're not going to definitively suggest who these people are, what their aims are. As we have noted, there are groups that do infiltrate these protests. We have seen it again.