First you doubted he was a registered Republican long after it was reported as a fact by a great many news organizations. Now you are are denying it was an AR assault weapon after it has been reliably reported as a fact by many news organizations. Some are pointedly trying to call it a "semi-automatic rifle" rather than an AR 15 style assault weapon, although AR-15 style weapons are semi-automatic rifles. You need to get
your facts straight. They reportedly used the weapon to help them identify the shooter.
And here we go with the quibbling and caviling over definitions. They absolutely are assault rifles that have been designed and modified for sale to civilians. It is the weapon of choice used by mass shooters in our country. They are status symbols for gun lovers. I don't know why we don't have a public holiday to celebrate them.