Redaction systems exist and are used for exactly this purpose. It's entirely possible to be transparent and protect citizen privacy.
I work with a company that provides this type of technology for FOIA requests so I'm fairly familiar with it :)
I work with a company that provides this type of technology for FOIA requests so I'm fairly familiar with it :)
This isn't a hypothetical btw. This is actually how it happens in many jurisdictions, and some law enforcement agencies are being proactive about this and thinking through how to be more transparent without risking privacy of innocent or guilty parties (both deserve privacy).