After Wichita Falls police find more alleged victims, two people behind bars face additional charges of aggravated sexual assault.
Sixty-four year-old Morris Taylor and 19-year-old Jernerikae Oliver are charged.
Two Texoma men are behind bars after authorities say they linked an account that was downloading child porn to their Burk home.
Child pornography cases are among the most disturbing postal inspectors investigate.
Matthew Zuniga is charged with 10 counts of possession of child pornography.
Forty-seven year-old Richard Dale Sain is charged with promotion of child pornography.