But what if some diabolical fiend attaches an encrypted iPhone to a nuclear bomb, and the only way to diffuse the timer is by asking Apple to unlock the encrypt

But what if some diabolical fiend attaches an encrypted iPhone to a nuclear bomb, and the only way to diffuse the timer is by asking Apple to unlock the encryption to stop the timer??? Also, "child pornography" ...what if "child pornography" is involved? You wouldn't want THAT, right?