"the ATF was the target of the attack, luckily their agents were out of the office that morning"

On the morning of April 19, 1995, a decorated Gulf War combat vet blew up the federal building in Oklahoma City using a truck bomb that he didn't build in a Ryder truck that he didn't rent with the help of a passenger who didn't exist. Having just gotten away with the largest act of terrorism on U.S. soil to date the Fort Bragg-trained Special Forces (sheep dipped) "dropout" blended in with the crowd by making his getaway in a car without a license plate and was immediately pulled over.
The ATF was the supposed target of the attack, but luckily all of their agents were out of the office that morning.

Later that day the president boldly declared "we will find the people who did this" and "when we do, justice will be swift, certain and severe" except for John Doe #2, who, according to the FBI, never existed.

In McVeigh's unprecedented three and a half week trial the prosecution didn't show the CCTV footage of him (and John Doe #2) parking the Ryder truck, didn't explain why 24 separate witnesses mass hallucinated the existence of John Doe #2, didn't explain why the government was testing truck bombs and the army was storing Ryder trucks at Camp Gruber right before the bombing, and didn't talk to the FBI informants who blew the whistle on the plot, but they did collaborate with the CIA and they did convict McVeigh as the lone wolf bomber and Terry Nichols as his bomb constructing accomplice.