A Sioux City man face sexual assualt charges in Story County. Christian Michael Burford, 20, faces three counts of 3rd-degree sexual abuse for an incident with a woman last September. Court documents say Burford travelled from Sioux City to Ames, meeting the woman in her Iowa State University residence hall room after exchanging messages in the days prior. Burford is accused of forcing himself on the woman despite her repeatedly saying no.