Possible Clues:

• Having taken drug, groups of people head for emergency detox
• Purge lists seen in church
• Purge lists screened by religious establishment
• See clan destroyed in purge
• Remove sin from learner Seneca corrupted
• Juice regimen
• Absolve Gaunt beginning to suffer in church
• Purge cant spoken principally in church
• Sanitise lists Anglicans put outside
• Purge has a tendency to divide religious establishment