The 68th arrest in Operation Glass House, an effort in Illinois to apprehend active offenders who download and trade child pornography online, has been announced by Attorney General Lisa Madigan's office.

37-year-old Roman Oletsky of Mundelein was arrested after investigators executed a search warrant at his home. Oletsky is charged with four counts of Possession of Child Pornography.

“Mundelein was fortunate to work with the Attorney General’s Office in identifying and apprehending this dangerous offender,” said Mundelein Police Chief Eric Guenther. “There is nothing more important than protecting our children.”

“Child pornography is a horrific crime that victimizes children each time a video of the abuse is viewed or traded,” Madigan said. “My office has been—and will continue to be—relentless in tracking down and apprehending offenders who download these heinous videos.”

Oletsky's bond has been set at $500,000. Possession of Child Pornography is a Class 2 felony punishable by three to seven years in prison.

Joshua Lott, Getty Images