More than 14 months after a trans psychopath stormed into Nashville’s Covenant School and gunned down three 9-year-olds and three staff members, the police department and the Federal Bureau of Investigation refuse to publicly release the killer’s “manifesto.” A newly obtained FBI memo to Metro Nashville Police Chief John Drake suggests what many have long suspected: President Joe Biden’s identity politics-steeped Department of Justice is leading a cover-up of the deadliest transgender-directed shootings in U.S. history. “We have a lot of other documents from the investigation in our possession. And after reviewing them … I will tell you I am...