Crossword Genius

Barriers to dodgy dealers (6)

Ross

I believe the answer is:

fences

I'm a little stuck... Click here to teach me more about this clue!

This could be a double definition.

'barriers' is the first definition.
(fence is a kind of barrier)

'dealers' is the second definition.
(I know this)

'to dodgy' is the link.
I am not very happy about this link. Some or all of it may belong to one of the definitions.

Can you help me to learn more?

(Other definitions for fences that I've seen before include "Good ones make good neighbours, they say" , "criminals" , "Hedges and barriers" , "Barriers that enclose" , "Barriers to keep in or out" .)

I've seen this clue in The Mirror.
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