Former University of Texas professor Mario Villarreal was convicted of five counts of possession of child pornography.

Sergio Casper Contreras, 48, was on probation for a child pornography conviction when he posed as a woman online to entice ...

Authorities executed a search warrant at a residence in St. Louis Park Tuesday morning. During the search, they say an adult man was arrested for possession of pornographic material involving minors.

More than 200 alleged offenders were arrested from April 28 to May 2 as part of the operation, which involved 55 FBI field offices, officials said.