Forty-seven-year-old Vasilios Hantzopoulos of Wilmington turned himself in to authorities on Wednesday.
He has been charged with sexual relations in detention facility and official misconduct.
Troopers say on Aug. 13, an inmate reported that she was approached earlier that day by Hantzopoulos and they had sex within the detention area.
Hantzopoulos is no longer employed by Capitol Police. He resigned on Sept 17th.
