(CBS) – Former Chicago Bears player Desmond Clark says he was standing up for his son at school — and he got arrested for it.

Clarks tells CBS 2 his son has been harassed for years, even called a racial slur before things came to a head last month. Clark says he and his wife rushed to Vernon Hills High School after their son claimed a staff member insulted him.

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The former athlete says he approached school officials and was charged with disorderly conduct and his wife with disorderly conduct and assault.

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Before the incident, Clark took to Facebook to express his frustrations about how his son was being treated. Clark says he doesn’t blame the entire community.

He was a tight end with the Bears, most recently in 2010.

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Vernon Hills police didn’t comment.