If law enforcement actually wanted to tackle the trafficking problem in Houston, they would go after the outlets.
All it takes is a quick search on rubmaps.com to see where you can buy sex, right now, in Houston.
After that, they can go after people on Tryst. It's such an open secret because there is so much money being passed around.
Human trafficking is integral to Houston's economy and culture. They won't do anything about it because they don't want to.
The only solution to make sex work safer in Houston is to legalize it. Which they also won't do because they're "better than that" and legalization would result in better treatment of workers at the expense of employers.
Legalize.