Authorities say Yonghua Lou was arrested on a prostitution charge at 81 Spa on Cypress Creekway, where she was also found to be an unlicensed massage therapist. Additional charges, including human trafficking, are likely, deputies said.

Investigators said Yu Sheng Chen has agreed to close 10 massage establishments he owns and quit the industry in Texas.

A joint investigation by the Harris County District Attorney’s money laundering division and Houston Police is targeting individuals suspected of operating a series of strip-center brothels. So far, three people have been charged with engaging in organized crime and at least one bank account has been seized.