A Pocahontas girls basketball coach faces felony sexual assault charges on an allegation he had a sexual relationship with a 17-year-old student. Police arrested 31-year-old Richard C. Estes on Wednesday. Investigators said the relationship occurred during the 2001-2002 school year and that the girl was not a member of the basketball team. Investigators also said the girl told them the relationship was consensual. Estes was suspended with pay last month. According to a probable-cause affidavit, Estes and the girl had sex numerous times from November 2001 through April 2002. Estes` wife is a science teacher at the Pocahontas junior high school.