News On 6

TULSA, OK -- The News On 6 is following a developing story as federal prosecutors charge a Tulsa man and five others in one of the country's largest human sex-trafficking cases.

Investigators are still looking for 35-year-old Ronnie Presley, aka Pimpin and PI, formerly of Houston and currently residing in Tulsa.

Presley, four other men and a woman are charged in a 16-count indictment which claims they forced female children and adult women to become sex slaves.

According to the federal indictment, the group worked out of Houston, Texas and brought women in from Kansas, Nevada, Arizona and Florida.

The indictment indicates the women were routinely forced to have sex for money and were beaten and threatened to ensure they did what they were told to do.

If you can help authorities find Ronnie Presley, call Crime Stoppers at 596-COPS or call the FBI at (405) 290-7770.