Related Clues:

• Habits smugglers try to avoid
• If you're running, they'll try to catch you
• Investigators of closed cases?
• Swear about man's habits
• Homeland Security Department agency
• Visa accepter
• Conservative, primarily, so must get working for established behaviours
• Import/export duties
• Border traditions
• Copper works without energy, accepting small duties
• Traditions of border location?
• International flyer's checkpoint
• Drug users may get trapped by these habits
• Thumb prodded into awkward person in government department
• International airport checkpoint