Related Clues:

• Bobby's U.S. relative
• Crimebuster
• One who walks a beat
• Member of the force
• -- a plea
• "NYPD Blue" extra
• Ticket issuer
• Flatfoot
• Traffic follower
• Cavalry soldier
• Friday, for one
• Infantryman
• Whistle-blower, at times
• Highway patroller
• Word after good and bad