An Iowa high school track and field coach has been charged with sexual exploitation. According to a report by KCRG , Lucas Tanney had an inappropriate relationship with a student. The 40-year-old Tanney serves as the principal for 6th through 12th grades at Valley Lutheran School. Tanney is also listed as the head boys and girls track and field coach for the Crusaders. Valley Lutheran did not have any qualifiers for the recent state track and field championships . High School Track And Field Coach Taken Into Custody The report states that Waterloo police were notified of an inappropriate relationship between an adult and a juvenile female student who was part of the Valley Lutheran track and field team. It was found that the unlawful sexual conduct occurred at Tanney’s home. Tanney was charged with sexual exploitation by a school employee, which is a Class D felony. He was taken into custody by local authorities with no incident on Friday and booked into the Black Hawk County Jail.…