PORTLAND, Ore. (KOIN) -- A Portland sex offender was sentenced to federal prison on Monday after investigators discovered that he was in possession of more than 200 images of child sexual abuse material.

David Cannon, 36, was sentenced to 10 years in prison along with a life term of supervised release.

Officials discovered that Cannon was collecting the explicit material during an investigation into his uncle.

"Cannon sought images from his uncle over Telegram, an encrypted messaging application. Additional evidence of (the) material was found after a search of Cannon’s device," officials said.

Cannon was arrested in Milwaukie after his cell phone was tracked by agents. He pleaded guilty to child porn possession on June 26.

“The pursuit of individuals who exploit and abuse children is

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