When Yasuko Watanabe's body was discovered in an abandoned apartment, her double life as an office worker by day and prostitute by night was revealed.

Chen Ci Fu, owner of KTV Richy restaurant, allegedly hired seven women to engage in prostitution, catering exclusively to foreign customers.

Police raided the Duong Hong massage parlor in Van Tuong commune, uncovering a prostitution operation.

Son Taeheum, a restaurant owner in District 7, with 12 previous convictions in South Korea, faces new charges for allegedly orchestrating a prostitution ring to boost revenue.

Son Taeheum, a South Korean national and owner of a restaurant and hotel in District 7, admitted to directing hostesses to "serve" customers seeking prostitution to increase profits.