Related Clues:

• Hamelin pest
• Be a fink
• 'Traffic' cop
• Drug agent
• Turncoat
• One living in a dump
• Hamelin evictee
• Start of a drum sound
• One who works with dogs, maybe
• Dirty rotten scoundrel
• Pusher's bane
• Word in a supposed Cagney quote
• He sings to the man
• Singer behind prison walls?
• Drug pusher's enemy