A box truck driver has pleaded not guilty in a crash in Casco last year that killed a popular Naples middle school teacher.

Authorities say Joshua McNally was driving a Native Maine Produce truck in April when it crashed into a car driven by 29-year-old Adam Perron of Harrison. Perron, a science teacher at Lakes Region Middle School, died at the scene.

Investigators say McNally shouldn’t have been behind the wheel.

WCSH-TV reports McNally pleaded not guilty on Tuesday to manslaughter and causing a death while having a suspended or revoked license. His bail is set at $10,000.

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