Related Clues:

• Interior, e.g.: Abbr.
• Corp. division
• Shout before "Open up!"
• Branch of govt.
• Abbr. in many a mail-order address
• Univ. division
• Part of LAPD: Abbr.
• Div. of a business
• Part of LAPD (Abbr.)
• Limbs of the law
• Branch of security forces
• Branch of the security forces
• Gardai
• Cut up what's frozen and you'll cop it
• Is that what's so lousy about the river cops?