Possible Clues:

• Sound less inclined to escape?
• Where one might enjoy porridge that's healthy?
• Where honest cops are based? Well....
• Healthy policeman lucky to be working here?
• Well cared for, serving sentence here?
• Perfectly OK at home -- before fine and prison
• Doing nothing corrupt, getting prison and fine
• Well banged up, or fine?
• Fit convicts may feel happier here
• Where one enjoys porridge that's healthy