How are zines evidence, and you genuinely think they deserve 30 years for that? For knowing someone who shot a cop?
You're actually not even correct. The guy wasn't at the protest, and had no reason to think cops would be searching his house, and didn't know the person who shot the cop
Accessory to assault on a police officer? What luck! That happens to be exactly the crime our beloved president pardoned a bunch of people for recently.