The Henderson County Sheriff's Department is investigating a case involving a teacher, who allegedly had a sexual relationship with a student.
Lance Scott Smith, 35 was arrested on July 17th and charged with sexual assault of a child. The sheriff's department says Smith is a coach at Seagoville High School, that's in the Dallas Independent School District.
Officials say the alleged relationship began three years ago, when the female student was 15 years old. They say the incidents happened in Smith's home in Henderson County. Smith has bonded out of jail.