The FBI is vetting the manifesto of mass murderer Audrey Hale, and that’s a problem. On Monday, March 27, Audrey Hale, a 28-year-old woman who thought she was a man, shot her way into the Covenant School in Nashville, Tennessee. There Hale gunned down Evelyn Dieckhaus, 9, Mike Hill, 61, William Kinney, 9, Katherine Koonce, 60, Cynthia Peak, 61, and Hallie Scruggs, nine-year-old daughter of Chad Scruggs, who is senior pastor at the Covenant Presbyterian Church, on the same site as the Covenant School. Hale, reportedly a former student, specifically targeted the place. The shooter used an AR-15–style rifle, a...