Hudson then placed the lock in the staple outside, but not in the hasp, and then closed the door.

This was to save appearances.
"We sat quietly until the train got in the tunnel, between New York and Harlem.

We found three safes in the car.

We got one of them over and tried to break in the bottom with the sledge hammer, but we found this would not work.

We then took the marlin spike, drove it into the door of the safe and pried it open.