Sally Port

In the southwest corner of the prison wall (to the right of the theater) is the Sally Port. The double door, double lock system provided the only vehicle entrance to the prison.

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A vehicle would enter the first door and be locked inside the Sally Port where the vehicle was searched before it was allowed in or out of the prison. Only one door was open at a time.

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A steel I beam swung across the inside door to prevent a vehicle from ramming through it.