By the time he's buried to his chest, the corn shifts every time he exhales, preventing him from inhaling, and he will suffocate slowly.
It's not a fast process, and it takes a lot of people and a lot of time.
It started out asking me if I could come teach one class on grain bin rescue. Then three day classes. Then they added four separate night classes for area firefighters. Now they are asking if I can come back.
You also have to think outside the box. There's no manual for a technical rescue like this. If you wait and become reactive, you lose. Plain and simple. It's mandatory you think several steps ahead for a technical rescue.