An online investigation to find sources of child pornography in Southern Oregon netted a Rogue River man, who has been charged with eight counts of first-degree encouraging child sexual abuse.

An online investigation to find sources of child pornography in Southern Oregon netted a Rogue River man, who has been charged with eight counts of first-degree encouraging child sexual abuse.

Central Point police arrested Nevada Brian Tucker, 31, of the 5400 block of East Evans Creek Road, Rogue River, at work Monday at Fire Mountain Gems. He was arraigned in Jackson County Circuit Court on Tuesday afternoon.

The Southern Oregon High-Tech Crimes Task Force, which includes an investigator from Medford police and one from Central Point, started tracking child pornography in an online undercover operation in September, Central Point police Sgt. Josh Moulin said.

Investigators downloaded a video that was listed as known pornography featuring children in a National Center for Missing and Exploited Children database, then tracked the online source back to Tucker's computer, Moulin said. Tucker had offered the video free to Internet users.

The video didn't include local children and wasn't made here, Moulin said.

In October, Southern Oregon High-Tech Crimes Task Force, Central Point Police Department, Medford Police Department and United States Immigration and Customs Enforcement served a search warrant at Tucker's house in the 5600 block of Kane Creek Road, Central Point, and seized computers.

Digital evidence was collected and analyzed by the high-tech task force forensic examiners and they put together the case for this week's arrest, Moulin said.

Court records show the eight charges are linked to eight incidents on dates in July, August and September.

Moulin said the high-tech task force stays busy helping police agencies across the valley find and analyze computer evidence for a variety of types of cases. However, stopping child pornography and other online crimes against children is a priority.

"We have limited personnel in our forensic lab, but between cases and whenever we can, we go into a proactive mode," Moulin said.

Reach reporter Anita Burke at 776-4485 or at aburke@mailtribune.com