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A Martinez man convicted of 25 counts of sexual exploitation of a minor was sentenced this week to 475 years in prison.



Thousands of pictures and movies of adults engaged in sexual acts with children were found when a search warrant was executed at James Macky Jr.'s Martinez apartment in November 2016. Macky, 45, was targeted by a joint local and state operation called Operation Southern Impact, according to the affidavit attached to the search warrant.



Macky's computer address was identified in a file sharing program where child pornography was exchanged between people. Macky was indicted in September 2017.



A Columbia County Superior Court jury convicted Macky. According to court records, Macky was convicted in 1998 of possession of child pornography. He served 22 months incarceration in that case was given a dishonorable discharge from the Air Force.



Judge J. Wade Padgett imposed the maximum prison term on Macky following his conviction.



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