A Polk County judge sentenced a 36-year-old man to nearly 67 years in prison today in one of the biggest cases of child pornography in Oregon.

David E. Klinepier amassed more than a million images and videos depicting children being sexually abused.

"This was one of the worst collections I've seen," said Jenn Gaddis,

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In July 2010, Dewey Burr of Hillsboro was sentenced to 15 years in prison for collecting and distributing child pornography. Federal investigators, who found 1.1 million images on Burr's computer, said at the time it was one of the largest such cases in the state.

Although Klinepier had a collection almost as extensive, he will spend more time behind bars. He pleaded guilty to 20 counts of encouraging child sex abuse in the first degree and already has a felony conviction. In 2000, Klinepier was sentenced to six years and three months in prison for sexually abusing a 10-year-old girl. He entered prison on Oct. 24, 2000 and was released on Dec. 11, 2006.

"He's addicted to child abuse," Gaddis said.

The latest case dates to March. That month,

Detective Curtis Pitt was trained at the regional crime lab in Portland to investigate child pornography. He returned to work and hit the web.

Almost immediately, Klinepier popped up on his radar.

The 36-year-old, who worked as a baker at a bagel shop, apparently spent a lot of his free time downloading and sharing images via peer-to-peer networks, Pitt said.

"He told me that as soon as he got off post-prison supervision, he downloaded porn," Pitt said.

In early April, Polk County Sheriff's officials raided Klinepier's home in Monmouth, arrested him and seized a desktop computer, laptop, hard drive and flash drive.

It took forensics specialists in Newberg a month to get through all the images, Gaddis said. "It's overwhelmingly sickening," she said. "We're very happy with the sentence.

Pitt is, too.

Klinepier will not be eligible for early release, virtually ensuring he'll spend the rest of his life behind bars.

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