Dealer caught by dogged police officer? (8)

I believe the answer is:

chandler

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'dealer' is the definition.
(I've seen this before)

I don't understand how the remainder of the clue works.

(Other definitions for chandler that I've seen before include "who brought Philip Marlowe to book" , "Dealer in soap" , "Dealer in provisions and supplies,for ships say" , "Retailer" , "Candle maker" .)

I've seen this clue in The Independent.

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