A random attack was unlikely to succeed because of the security bubble around the President. But a planned assault would take the Secret Service’s capabilities into account. An expert assault implied that its planning included actual knowledge of those capabilities. It was the nightmare scenario. Even the attack on the Presidential Motorcade in Colorado had been mostly an application of brute force. This was far more dangerous.
“That F-14 model should have fallen out of the sky when it flew so close to us. Our ECM—electronic countermeasures—block almost every frequency, except for a very few that we’re using ourselves. Frequencies that we’re constantly changing. Pull out your cell phone. You won’t be able to place a call. All of those frequencies are blocked within a hundred meters or mor
