The first thing the police did was attempt to frame the issue as an accidental killing https://legal-dictionary.thefreedictionary.com/Accidental+Killing, as oppose to an involuntary manslaughter https://legal-dictionary.thefreedictionary.com/Involuntary+Manslaughter .
Actually as noted by a police training expert on the news.... the proper term would have been "negligent killing".
Sounds like a distinction without a (legal) difference. This is from a Univ. of Minn. Criminal Law textbook: https://open.lib.umn.edu/criminallaw/chapter/9-7-end-of-chapter-material/
Read the transcript of scanner traffic from fatal police shooting of Justine Damond https://www.startribune.com/read-th...-police-shooting-of-justine-damond/435020113/