They’re bringing in the big guns now.The Bureau of Alcohol, Tobacco, and Firearms (ATF) made its first known intervention on Monday into the spiraling crisis in Minnesota, following the killing of George Floyd by Minneapolis Police Officer Derek Chauvin. The federal agency charged two men with firebombing a county building in the town of Apple Valley on Friday, and with possessing Molotov cocktails “not registered to them in the National Firearms Registration and Transfer.” The criminal complaint, brought against Garrett Ziegler and Fornandous Henderson, coincided with warnings from President Donald Trump and U.S. Attorney General William Barr of increased federal involvement in local law enforcement efforts to counter the violence that has wracked multiple American cities.Washington’s Hottest Hoax Trend Is DCBlackoutThe ATF’s deposition leans heavily on the findings of the Apple Valley Police Department, which arrested Ziegler and Henderson early on May 29, moments after an explos...