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

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.

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.