If people don’t start getting serious this problem won’t be taken care of, and volunteering to be locked away for life away from your daughter (she did live, after all) is not getting serious.
This "officer" should be criminally charged: assault with a deadly weapon, attempted murder, malicious wounding, negligent discharge of a firearm within city limits, deprivation of civil rights under color of law ...
He belongs in prison.
The ball is in law enforcement's and the prosecutor's court.
What are they going to do?
And what do you suggest that We, the People, do when they fail to do anything useful?