Related Clues:

• Furthers a felony
• Gives a boost to
• Is of service
• Cooperates with crooks
• Backs up, as a burglar
• Assists, as a criminal
• Acts as lookout for, say
• Gives succor to
• Aids nefariously
• They may be audiovisual
• Communicable disease
• Acts as a shill for
• Helps a certain hacker, say
• Is an accessory for
• Drives the getaway car, say