Through the work of understanding the situation, Vinh City Police discovered that in Nghe An province, a gambling ring emerged in the form of lottery and lottery numbers using high technology (via Telegram network) with many subjects. Participate, large transaction amount. This line is controlled by two subjects: Le Thi Phuong Lien (born in 1985, residing in Hung Dung ward, Vinh city) and Pham Quang Chien (born in 2004, residing in Phu Loc commune, Can Loc district, Ha Tinh province). executive head. The subjects in the ring operate very sophisticatedly and discreetly, with a clear division of tasks, and transact with each other via the Telegram application to transfer lottery and lottery trading tables. To deal with the authorities, the subjects also used junk sim cards and unofficial accounts to transact. 

Faced with the above situation, Vinh City Police reported to the Provincial Police leadership to establish a specialized project to concentrate forces and means to fight and eradicate. Synchronously deploying professional measures, on April 21, 2024, Vinh City Police planned and assigned working groups to simultaneously arrest 25 subjects in Vinh city and town. Cua Lo and Can Loc district, Ha Tinh province; Confiscated 28 mobile phones and many documents related to the act of recording lottery numbers. 

25 subjects include: Le Thi Phuong Lien, Pham Quang Chien; Tran Thi Nhung (born 1994), Hoang Thi Vien (born 1958), Bui Thi Thu Hien (born 1985), Phan Thi Van (born 1958), Hoang Thi Quynh Hoa (born 1996), Hoang Thi Phuong (born in 1995), Nguyen Thi Bich Hong (born in 1975), Le Thi Thanh Tan (born in 1970), Nguyen Thi Thu Trang (born in 1995), Le Thi Mai (born in 1966, residing in Cua town). Lo, Nghe An province); Nguyen Thi Hoa Ly (born 1975), Kieu Thi Van (born 1975), Le Thanh Hien (born 1978), Tran Thuy Ngan (born 1986), Do Thi Kim Xuan (born 1967), Cao Thi Thanh (born in 1972), Luu Thi Thuy (born in 1976), Tong Chau Hai (born in 1966), Vo Van Thao (born in 1964), Nguyen Ba Quang (born in 1946), Tang Son Ha (born in 1972) , Ngo Duc Dung (born in 1978), Dang Quoc Hai (born in 1980, residing in Vinh city).

Initially, the Vinh City Police Investigation Agency determined that the amount of money the subjects gambled each day ranged from 500 million to more than 1 billion VND, which specifically proved the amount of money gambled on April 21, 2019. 2024 is about 720 million VND. 

Currently, the Vinh City Police Investigation Police Department is temporarily detaining the subjects for investigation and handling according to the provisions of law.