Cao Thi Bac, 39, Nguyen Thi Tra My, 27, Vo Ngoc Linh, 21, and Le Thi Cuc, 49, were seized on February 18, Senior Lieutenant Colonel Vo Thanh Ky, head of the provincial Drug Crime Investigation Department, told Tuoi Tre on Wednesday.
My, Linh and Cuc are Hue residents while Bac, the ring’s leader, hails from the nearby province of Nghe An.
After their arrest, police summoned five other people for questioning about their alleged involvement.
Anti-drug police caught Bac and My delivering drugs to a drug trader on Chi Lang Street in Hueon Monday. They seized 181 grams of heroin, 15 synthetic drug tablets, three mobile phones, two motorbikes and VND30.5 million in cash.
Bac confessed to police that her ring, which began operating in July 2012, purchased drugs in large quantities in Nghe An and then transported them to Hue to sell to the ring’s agents, who would go on to distribute the products in the city and other areas.
Bac initially admitted that the ring had sold 10 cakes of heroin in Hue, investigators said.
Police are expanding their investigation to track down other members of the ring and those who have bought drugs from the ring.
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