Possible Clues:

• Rigid about rules
• Severe, rigorous
• Harsh and severe
• Most of the illusion embraced by Stone is of a harsh regime
• Stern saint brings religious instruction to court
• Rigorous in diagnosis of gastric trauma
• Exacting, severe, rigid
• Severe or rigid
• Requiring exact obedience or compliance with rules
• When detective inspector leaves area, it becomes tough