A former Minneapolis elementary school teacher was sentenced to 10 years for possessing child sexual abuse material and soliciting a minor to engage in sexual conduct.

In May, Minneapolis Park police were called to Brackett Field on a report that 35-year-old Preston Palmer was about to give a "substantial quantity of child sexual abuse materials to another individual."

The documents describe a group of people who work to uncover people soliciting minors for sexual acts. A 17-year-old member of the group told Palmer they were a 13-year-old boy, and charging documents say the two had conversations that were "overtly sexual."

Palmer told the 17-year-old posing as the boy that he had 87 gigabytes of child sexual abuse material and more than 1,000 videos on what he called his "pedophone.

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