The Brief Four massage parlors in Denton County were closed after a Denton County Sheriff's Office investigation into human trafficking activities at the businesses. The investigation was conducted by the Denton County Sheriff's Office Human Trafficking Unit in collaboration with the Texas Department of Licensing and Regulation. Multiple massage parlors in North Texas were shut down after an investigation into human trafficking activities. Massage parlor closuresImage 1 of 3 ▼ CTSY: Denton County Sheriff's OfficeWhat we know:From June 23–26, the Denton County Sheriff's Office Human Trafficking Unit and the Texas Department of Licensing and Regulation conducted licensing inspections at 18 massage parlors in Denton County. Four massage parlors were closed on the day of inspection.