On today's San Diego News Matters podcast: San Diego Superior Court stores about 30,000 exhibits, and 2/5 of them are from murder cases. All evidence has to be stored until a case's appeals process is complete. Plus: the shooting at a Poway synagogue has raised questions about law enforcement's preparedness to counter violent white supremacy, the city of Imperial Beach passed one of the most sweeping plastics bans in the state of California and more San Diego and California news and analysis.