Related Clues:

• Promote, as criminality
• Support in a swindle
• Be a partner in a crime
• Act as a fence for, e.g
• Assist in a felony
• Launder money for, e.g
• Scope out escape routes, e.g
• Help in an underhanded way
• Aid illegalities
• Assist a crook
• "That's ___!" (You're on!)
• What henchmen do
• Aid in a scam, e.g
• Disable the security system for, say
• Give an underhanded hand?