Police officer comes home after her shift, walks into the wrong flat, and shoots the owner dead because she thought he was a burgler, ( coincidentally he was black ). So what do the Police do to investigate ? They issue post-mortem search warrants and start spreading the information that a small amount of marijuana had been found in his flat, as if that is some sort of vindication.
https://www.bbc.co.uk/news/world-us-canada-45468083
https://www.bbc.co.uk/news/world-us-canada-45525275