Possible Clues:

• Busters?: Abbr
• Pusher catcher (Abbr.)
• Weed eliminator, for short?
• Org. with sniffing dogs
• Traffic cops gp.?
• Crack team from the Justice Dept.?
• Gp. known for its big busts
• Grp. that raids grow houses
• Gov't arm targeted by Ron Paul
• Employer of many a 7-Down