A former Walker County teacher pleaded guilty in a child exploitation case, Monday.

Mark McCormack appeared in federal court in Birmingham, Alabama, where he pleaded guilty to one count of child exploitation. 

McCormack was accused of secretly filming a 5-year-old girl while she was using the bathroom in Muscle Shoals, Alabama.

McCormack was a kindergarten teacher at Chattanooga Valley Elementary before he resigned in July.

He is currently out on bond.

A sentencing hearing has not been set.

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