Lawrence O'Donnell: “They made sure that the Texas mass murderers are the best equipped mass murderers in the world.”

Donald Trump is under investigation by the Justice Department.

The Republican governor of Texas and the Republican legislature have made sure that mass murder was able to buy those weapons.

What Chief Pete Arredondo did was wait, wait for an hour, over an hour, while children were bleeding to death on the floor.

I think tomorrow, Rachel, the case about what happened in Georgia is going to be clearer than ever to this country. And I long felt that that is where the clearest case of criminal conduct is to be found.