The city of Vallejo was about to be forced to disclose evidence of its many police shootings, so they just went ahead and destroyed it:
https://openvallejo.org/2023/02/05/vallejo-destroyed-evidence-of-police-killings/
Senior officials ordered destruction of Vallejo police shooting evidence
The Vallejo city attorney’s office has long resisted public scrutiny of the police department’s frequent shootings. With a new law poised to force the release of shooting records, a lawyer and a detective made a decision no court can reverse.