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.

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

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.

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