Possible Clues:

• Slammer, finally -- bad result for cattle thief
• Stocktaker taking boss round empty supermarket
• One stocktaking?
• One in the habit of taking stock?
• Thief, one making a noise leafing through papers?
• Kind of thief who makes little noise?
• Cattle or horse thief
• Saint imprisoned by king, say, one taking stock
• Stocktaker registered up north by mistake
• As kind of thief, monarch's taking in good person