Absolutely.
And it goes back further than three months. It goes back to 2016 and the early Trump campaign events which were marred by leftist violence.
And really for anyone with a sense of history it goes back quite a bit further still.
In 2016, at least the networks told us why there would be no Trump rally in Chicago...riots, anarchists, protesters. If not all, back then there was FOX NEWS (just barely)