Possible Clues:

• Peep-hole
• Only being short of time stops prosecutor finding traitor
• The greatest betrayer
• He bestowed the "kiss of death"
• Prototypical frenemy?
• and 22 Across: Wetherspoon's unspoilt clubs anticipating a brawl, admitting posh 19 supper guest 17
• Legal authority protecting US lawman's opening for surveillance
• Personifies the kiss of death as paramilitaries follow James the First south
• Traitor's moniker
• Traitor heads for jail under data abuse statute