CHICAGO (CBS) — Michael Martinez, of Carpentersville, has been sentenced to more than nine years in prison, for the sexual assault of a boy under age 13.

Kane County prosecutors said Martinez sexually assaulted a boy under age 13 between April 2014 and June 2014.

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Michael Martinez was sentenced to 9 1/2 years in prison for predatory criminal sexual assault of a child. (Source: Kane County Sheriff)

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In December, a Kane County judge convicted Martinez, 30, of predatory criminal sexual assault of a child. On Friday, Martinez was sentenced to 9 1/2 years in prison.

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Martinez, of Carpentersville, also must register as a sex offender.