The US military maintains its own section in the Suwon Prison for its US military prisoners separate from the Koreans. These convicted felons get command and chaplain visits regularly. Have their own kitchen and are provided food, reading materials and staples from the commissary and PX/BX. They also have TV and internet connections. Their quality of life is excellent compared to the local nationals.
The reason:
1) He claims he never had sex with her.
2) He claims the sex was consensual.
3) He claims he never met her.