TULSA, Okla. (AP) — A former Oklahoma police officer has been transferred to a state prison, where officials will determine how he'll serve his 15-year sentence in the fatal shooting of his daughter's boyfriend.

The Tulsa World reports that 57-year-old Shannon Kepler arrived Monday at the Lexington Assessment and Reception Center.

Kepler was kept in a single cell while at the Tulsa jail. It's unclear whether he'll be housed the same way in prison.

Prison officials say his permanent assignment will be kept secret. Similar steps have been taken for other former law enforcement officers for secur...