Factory reset an old phone and leave it in airplane mode.

If it get "lost" or "stolen" you aren't out much, and it doesn't contain any personal information. If "law enforcement" gets their hands on it the only data it has is the IMEI and maybe wireless MACs, enough to ID you based on previous use but they would have to contact telecos and request the info. Current "law enforcement" seems too chaotic to spend time tracing the owner of an empty phone.

Seems like uninformed bull. Your recording is protected by the usual copyright. It may not be used without permission except as permitted by law. If the law is being violated, sue the heck out of the state.

Now if you post it on social media, make sure you read the content privacy policy. They often suck.

Bullets. It exposes you to bullets.

I thought it would expose you to death.