Betty Shelby's lawyer said it was important for the "smear" on her name to be removed from public view.
Prosecutors know the odds are stacked against them in convicting cops who kill.
The shooting, which was caught on video, showed Crutcher had his hands above his head moments before he was shot.
“I saw a threat and I used the force I felt necessary to stop a threat,” she told CBS.
White silence is violence.