Multiple massage parlors in North Texas were shut down after an investigation into human trafficking activities.

Massage parlor closures What 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.

The investigation was part of an effort to combat human trafficking and related criminal activity believed to be happening at the parlors.