Related Clues:

• Watch out for, maybe
• Help unlawfully
• Assist a prankster
• Help with a prank
• See 5 Down
• Assist in evil
• Encourage criminally
• Give assistance to
• Watch for the watchman, e.g.
• Aid criminally
• Help, as a hood
• Be a 51-Across
• Second a second-story man
• Obey the lawbreaker
• Incite criminal activity