Related Clues:

• Wrong
• Encroachment
• It's a sin
• Sin
• Do wrong
• Overstep the line?
• Intrude
• Step over the line?
• Cross the line?
• Poach
• Encroach
• Step over the line, perhaps
• Encroach (on)
• Climb the fence, perhaps
• Spy's break-in, in slang