Detectives from PSNI’s Organised Crime Unit arrested the 53-year-old woman on Wednesday afternoon.
The arrest was part of an ongoing operation on organised crime in the area, including the supply of drugs and money laundering.
The woman was arrested on suspicion of a number of offences including conspiracy to supply class A and B controlled drugs.
She has also been arrested on suspicion of money laundering offences involving the purchase of high value Rolex watches.
She was released on police bail pending further enquiries.
Eighteen people so far have been charged to court in connection with this investigation.
One person has been sentenced and seven others have pleaded guilty and await sentencing.
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