Tulsa Police Department

Officer Betty Shelby, 42, entered a not guilty plea to first-degree manslaughter charges in the shooting death of Terence Crutcher, 40.

As two separate investigations continue, led by the Justice Department and the Tulsa County District Attorney's office, more details emerge regarding Crutcher and Betty Shelby, the officer who fatally shot Crutcher in the middle of the road as he walked with his hands up towards his SUV.