Get to the Roof
By going through the utility corridor, they could get to the roof of the prison. However, the holes were tight, and these were large men. They had to navigate carefully. After testing various shafts, they found the way and got ready with the next portion of the plan.
Loose Ends
The escapees had to plan each part carefully because they’d only get one shot at escape. They could rush up to the roof, but what would happen next? These men had to be prepared for anything, so they started creating a passageway and coming up with more solutions.