Possible Clues:

• He's pressing old 12 across
• Universal right to hold onto information that's critical
• A brief description of Abraham's grave?
• High priority
• Important man from the old city
• Immediate
• Strongly advise one not to lose heart — it's most important
• Pressing him under the old city
• Old City man politely pressing
• Applying 19 down to a fellow from the old city