Possible Clues:

• Condemned prisoners are held here
• Curtailed contract for cast in Prison Block
• One doesn¿t want to be sitting in the chair here in killing zone
• Largely expensive cast awaiting the chop there?
• Place for prisoners awaiting execution
• In USA, part of prison where condemned criminals are held
• Part of US prison for condemned murderers
• Passing argument somewhere in US prison
• Two heard to be suffering in prison block
• Where convicts wait for execution